Why Time Eater is not allat

 

Alright, let's get into it. There's a popular claim floating around the Sonic powerscaling community that the Time Eater (the Solaris victim) from Sonic Generations wiped out le multiverse.
That conclusion sounds impressive. The problem is that the actual sequence of events in the game does not describe that happening. Everything and their mothers point out that the Time Eater's feat is different, it's erasing specific points in time/specific areas and displacing them into a dimension called White Space not annihilating every dimension that exists in the Sonicverse. The game treats this process as something that is still happening and can be stopped and reversed.

Where the “Total Destruction” Reading Comes From

This misconception has two main roots. Let's clean both of them up.

1 The promo comic wording

There's a Sonic Generations promo comic (using shots pulled from the game's cutscenes) that includes this line:

People read “dimensions” (plural) and jumped to “each stage is a separate dimension, therefore the whole multiverse is involved.” That doesn't track with the actual game:

• The stages are consistently framed as locations from Sonic's own past not alternate dimensions
• White Space) is the actual “dimension” being referenced a space between time periods,
• Eggman flat-out says he's traveling through time to undo his own past defeats.
• “Dimensions” here is also just grammatically off , “another” pairs with a singular noun (“another dimension”), not a plural one. That makes the line look much more plausibly like loose wording or a textual error, and every other official source backs up the singular version:

Multiple official sources, same singular “another dimension” all pointing at White Space specifically. I'm not going to dump every instance of this phrasing since the pattern is already obvious.

2 The BradyGames strategy guide

The other big source people lean on is the third-party BradyGames strategy guide for Sonic Generations. Two things worth flagging before even getting into what it says:

• It's a third-party guide, not written by Sega/Sonic Team. That alone means it shouldn't override what the actual game and first-party materials say if there's a conflict.
• Even taking it at face value, the wording doesn't say what people think it says.

The guide uses a phrase like “reality as we know it destroyed.” The word “reality” is doing interesting work here, and it's genuinely context-dependent it can mean “the universe” in the singular, personal sense just as easily as it can mean every universe in existence. And tellingly, the same guide in another page describes White Space as being “between realities” (plural). That wording treats “reality” as something that can refer to individual realms rather than necessarily referring to the totality of existence.So even on the guide's own terms, “reality as we know it” most naturally reads as “Sonic's home universe/timeline” not the entire cosmology.

What Actually Happens In-Game

Let's just walk through the actual plot beat by beat, because it clears up a lot on its own:

• Santiago Classic Sonic is running around in Green Hill Zone (in the past) when a Time Hole opens and le Time Eater does an omnidirectional blast, sending that area to White Space.
• We get a clock transition showing time moving forward and the present is shown completely intact and everything's fine. That confirms only Green Hill Zone got hit, not anything else broadly
• Modern Sonic is at his birthday party when the same thing happens to him and his friends, they get pulled across time into White Space too.
• Mid-game, Tails studies the Time Eater's movement and works out what it's actually doing which is jumping through time and erasing specific areas, dragging them into White Space.

Here's the key dialogue (both the original and the Sonic x Shadow Generations rewrite say basically the same thing):

When that thing goes through time it tears space apart, leaving the areas empty and dead and sticking them in this weird white limbo.  — Classic Tails, original script

That thing keeps jumping back and forth through time, consuming the dimensional energy. And all that's left behind is this lifeless, white void.  — Classic Tails, rewrite

Both versions describe a specific process. Areas, being pulled out one at a time and NOT “everything was lol erased in 1 sec ” event. We see this exact mechanic again in the Shadow Generations prologue, where Time Eater shows up in space and yanks the ARK into White Space while another version of him was at the party.

Fun fact

Albeit a different continuity, but this how Time Eater performs the feat there 

Then at the climax, We know that Eggman teams up with Robotnik to control the Time Eater and rewrite their past defeats (duh). Tails and Eggman's own exchange spells out the scope of the threat directly:

But the more your monster tears through time, the more damage you do to the world!  — Modern Tails

The world? I'm going to own the world when I'm finished with Sonic!  — Modern Eggman

And in the rewrite:

But the more your monster tears through the timeline, the more damage you do to it!  — Modern Tails, rewrite

So? I'm going to erase that line and reshape it as I see fit!  — Modern Eggman, rewrite

Looking at the actual dialogue, the script itself debunking the idea on pure logic for the 3 reasons below:

You can't be worrying about time that doesn't exist 

Time Eater flies through time to reach each stage. That mechanic falls apart if time is already gone. (Because TE is shown to come at the zone and erasing it, so he is doing it twice??) and then Tails worrying about the timeline as if it’s been erased; the fact that time is still a usable pathway as shown when TE appears again to get the ARK proves that the timeline IS still there.

Tails frames the threat as something going on 

Tails literally says, "the more your monster tears through the timeline, the more damage you do to it." Which We all sure that this means a real time and ongoing process. Logically, You don't warn someone about cumulative damage on something that’s already at 100% destruction there’s nothing left to scale against.

Eggman explicitly drops a future-tense statement 

Eggman’s line is simple and clean, "I'm going to erase that line." That is a stated intent for a future action. If the timeline were already wiped out, there’d be no line left for him to erase in the first place.

The timeline (notice the wording) isn't dead yet, it’s actively being corrupted, and Eggman hasn't pulled the final Chrono trigger (I'm sorry that was corny).

If someone says:

“The more you damage the building, the worse its condition becomes,”

the natural implication is that the building is undergoing damage.

It does not mean:

“The building was already completely destroyed, but somehow you're still increasing the amount of damage.”

Could fiction technically use language loosely? Of course. But then the burden shifts to the person claiming that the ordinary reading should be discarded.

The Vocabulary Itself as an the Argument

This is honestly some of the strongest evidence for the local erasure reading, and it comes straight from Sonic x Shadow Generations' own dialogue and marketing. Look at how consistently the event gets described:

"Heh heh heh heh... you defeated us, but the Black Arms live on. And this temporal anomaly has accelerated my plans to revive my forces and consume the world." — Black Doom (Notice how he wants to consume the world, although if it was already destroyed that wouldn’t make sense, only if the world still exists)

"Shadow… you are here too. I was hunting Eggman's latest super-weapon when a space-time anomaly occurred." — Omega (JP version) 

 

"I infer that we are in the midst of some sort of space-time anomaly… It would be better to avoid interaction with others as much as possible to prevent a time paradox from occurring." — Dr. Gerald (JP version)

 

Anomaly, by definition, means "something different, abnormal, peculiar, or not easily classified" a "deviation from the common rule; an irregularity." That word choice only makes sense if there's still a norm to deviate from. You can't have an irregularity in a system that no longer exists. If the multiverse had actually been destroyed outright, calling it an "anomaly" would be a bizarre understatement you'd expect language like "annihilation" or "total erasure event" or "the end of reality," not a term that presupposes a structure still standing and just messed up with.

The official marketing and dialogue backs this up too because of exactly what it emphasizes:

• PlayStation Blog: their universe is "thrown into chaos," and Sonic and friends must "find out who is behind this diabolical deed" — chaos and disorder
• When a mysterious creature creates time holes in their universe, Sonic and Shadow each set out on a high-speed action adventure!
• Steam: "as Shadow works to piece together the timeline and thwart his evil plans."
• Website: Modern and Classic Sonic will have to team up to defeat this dastardly trio and restore their timeline to normal!

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• Omega (JPN version): "Space-time destabilization continues... Sonic's presence confirmed. He appears to be combating the destabilization." — Destabilization is an active, ongoing process being fought in real time
• TailsTube: Dr.Eggman and his younger self used an ancient being called the time eater to mess with all of space and time.
• Takashi Iizuka (There is going to be a comment about this below) in gamescom 2024, video by IGN: Time Eater is kind of messing the world and removing time and space.
• Sonic X Shadow Generations Takashi Iizuka Interview by Gamertag Radio: Time Eater in Sonic Generations who's come and kind of taken away time and space. The whole time-space continuum is messed up. And you have to go back and kind of revitalize the wolrd and bring it back to its natural state.
• Silver :That thing erased time, swooping through the timeline like a predator

The key word is “swooping” A predator that swoops dives toward a specific target, strikes it, and moves on. So saying the Time Eater was doing that portrays it as actively moving through and attacking the timeline, rather than simply erasing it all at once.The continuous tense  reinforces that this is an ongoing action, meaning the timeline still exists as something it is moving through and damaging. And the singular “the timeline” further supports the idea that it is specifically attacking the main timeline.

And then there's Gerald's dialogue, which is maybe a clear piece:

"We must not disturb the flow of time. Once this crisis is resolved, we will all return from whence we came. Just as the waves on the water's surface will eventually subside, space-time will be restored to its original position. What has been and what will be... must remain as it was."

Gerald is worried about polluting the time stream and causing a time paradox, neither concern makes sense if time has already been destroyed cuz You can’t disturb a flow that no longer exists and neither you can create a paradox in a timeline that’s already gone. The water metaphor is really doing real work here, ripples calming back down describes restoring an existing system, not something from nothing. 

That gives us a causal chain:

Time Eater removes key points → history becomes unstable → surrounding history is affected → restoring those points allows the timeline to stabilize.

Like Put together anomaly, distortion, destabilization, chaos, messing every term in the game’s vocabulary describes an active disruption of something that’s still there and NOT the aftermath of the cosmology being wiped out. I honestly think this is the language of reality being thrown out of its order.

"If you can restore the pivotal events in history, the rest will eventually return to equilibrium."

Gerald is telling you flat out that there's a set of specific, pivotal points being pulled out, and that pulling them out is what's destabilizing everything else around them as a chain reaction. This lines up exactly with what Tails already told, he's jumping through time and pulling specific areas and damaging the timeline. The Time Eater does not need to destroy all to produce enormous consequences. Damaging critical points in history can destabilize everything downstream. That gives us a perfectly coherent explanation for why the situation can affect the broader stuff without requiring the Time Eater to have erased the entire cosmology in a single feat. Which makes the other interpretation requiring substantially more assumptions than the straightforward reading.

Refuting some arguments:

Crisis City and Why It Doesn't Actually Expand the Feat:

Crisis City is a playable stage in Sonic Generations, but it's from Sonic 06's erased events after defeating Le big Solaris (My beloved). If Time Eater somehow pulled that stage into White Space, doesn't that mean he's reaching across separate timelines which would make it full cosmology feat rather than a single timeline one?

There are several problems with treating this as confirmation of that jump.

1. In the original game, it's kinda ambiguous? : Sonic Generations never explains why Crisis City is there. At best you have Eggman’s cutscene where he talks about his plan and crisis city appears there and by using Occam’s razor Eggman did indeed took it, which honestly a fair interpretation. But given this is an anniversary title built to celebrate the franchise's history (Like how Base Sonic is able to keep up with Perfect Chaos despite being threatned by it in the Otherworldy comedy), the far more economical read is that it's a nostalgia pick, although it’s also fair to reject this speculation.

2. It doesn't fit Eggman's stated motive: Eggman is explicitly rewriting his own past defeats that's the entire premise of the plot. Crisis City doesn't fit that pattern:

• In Sonic 06, Eggman isn't even aware Crisis City exists as a concept doesn't seem to know about.
• It's not a location tied to a defeat he suffered by Sonic while making plans there
• If the whole point is "target the places where I lost" Crisis City is a strange pick compared to something like a stage tied to an actual defeat or related to it at the very least.

3. The stage order itself argues against: The other stages run in a clean chronological sequence Green Hill, Speed Highway, Planet Wisp, following Sonic's history in order. Then, out of nowhere, the sequence jumps roughly 200 years into an alternate future for one stage, before immediately snapping back to normal chronological progression. That's not the pattern you'd expect from purposeful targeting it reads much more like an outlier or side effect than a planned pick (Or maybe, just maybe because Sonic 06 was released in 2006, between the other games)

4. Eggman's memory doesn't support him even knowing about 06: Sonic Rivals establishes that Eggman doesn't remember the events of Sonic 06 at all. Elsewhere, Colors DS, the recent Tails Tube video, and the Team Sonic Racing Japanese version (English being the original script btw), the most you get from any character is a vague sense of déjà vu. If Eggman doesn't remember 06 happened, he can't be deliberately targeting it as a past defeat to rewrite.

5. It’s actually been addressed directly: Sonic Team has a habit of retroactively over-explaining ambiguous stuff from older games recently, and this is exactly that. Shadow Generations gives Dr. Gerald a line addressing this head-on:

"So you encountered a foe you don't remember? Perhaps the damage done to the passage of time has triggered echoes of past historical alterations. …Well, I've only dabbled in time manipulation theory. This is just an inference based on what I've learned at my desk." — Dr. Gerald

This is about as clean a confirmation as you're going to get: Crisis City (and the 06 material that shows up in Shadow's story) isn't the Time Eater directly reaching into that timeline. It's an echo , a chain reaction effect caused by the damage he's doing elsewhere. And Gerald isn't a source you get to wave away. Someone could argue "well, Gerald's just guessing, he is wrong", but that's special pleading. Gerald exists narratively as the character who explains the mechanics of what's happening; that's his entire function during the gameplay. Sonic Team doesn't write and code a specific line of exposition dialogue explaining stuff just to hand players a wrong answer for no reason.

And even on the most charitable worst-case reading for the other side,if Eggman were somehow aware of this alternate future despite 06 no longer existing, and somehow remembered events that every other source says he doesn’t, it still wouldn’t change the core argument. Time Eater’s mechanic, established consistently throughout the game, is that it targets specific areas in time, one at a time. Even granting Crisis City as an intentional pull, that’s just one more targeted area added to the list, not evidence that the feat scales up to erasing entire alternate timelines wholesale, let alone the full cosmology.

Was 06's timeline actually erased, or does it still exist somewhere?:

Honestly? Not sure. I go back and forth on this one and I don't think there's a clean answer.

The "erased" case makes intuitive sense on its own. Solaris gets beaten, Time resets, Sonic and Elise changed the past, the events get undone because of the paradox, and if Crisis City shows up as a ghost/echo in White Space, espacially since this is a void of non-existent time, that tracks with it being a dead timeline that got pulled in as a fragment. Mephiles kind of backs this up too, against Shadow he said he wants to restore himself to the timeline and wants to exist.

But then Sonic Speed Simulator throws a wrench in it. We got to see ESP Silver in that game who's explicitly from the 06 ruined future after unlocking his full potential, and he's not talking like a guy from a timeline that got wiped from existence.

"My name is Silver, maybe not the one you know. I've been displaced from my own time and space. Can you help me figure this out?!"

"It's incredible to see such lush green grass in this timeline. I've strived to improve my future, but it's still nothing like this!"

He's aware his future is still his own and doesn’t want to “exist againt”.

So which is it, is 06 a dead timeline that occasionally echoes into the void, or is it a branch that's still out there somewhere, just disconnected from the prime universe? I genuinely don't know, could be one of them and could be both as well. Doesn't really change anything for the Time Eater argument either way honestly even if you argue there is potential hypertimeline out there.

Stardust Speedway, Yes but actually no ahh moment.

Classic Sonic fights Classic Metal Sonic in Stardust Speedway during a rival battle in Generations. Problem is, in Sonic CD (where this stage is from), you're time traveling (and collecting time stones) specifically to make the good future happen in each zone. But in Generations, the fight takes place in the bad future version. So the argument goes: if Eggman's pulling in the bad version of a stage, doesn't that mean Time Eater is reaching into alternate timelines, not just erasing points on one single timeline?

Except...there's actually a pretty clean way around this: Sonic 4 Episode Metal shows Stardust Speedway in its bad future state too. So you don't even have to treat the bad future as some contradiction, it's already shown up as a legit, referenced state of that stage in canon. And yeah, I know someone's gonna go "well that contradicts CD" but that's not exactly a rare thing for this series, Sonic canon steps on its own feet all the time like in someone’s favorite game Sonic Forces, that alone isn't a reason to throw it out (even if it is, what about it? If they want to make things consistent they should show in the good version of it instead, although some can argue that both games shared some assets since they were developped at the same time, which is fair I guess) But again, we don't need to solve every continuity issue to evaluate the scaling.
Even setting all that aside, just think about it logically for a sec:

• If the bad future is a win for Eggman, why would he ever want to erase it? The whole plot is him going around undoing his own losses. The bad future is basically his best-case scenario in CD. Doesn't fit the pattern at all.
• After the fight, nothing gets restored afterward (Well neither during any of the rivals fight tbf)
• And honestly the real answer's already spelled out for us; Shadow Generations straight up tells you how rival battles work: A time hole opens up and the hedgehogs walks through it to get pulled into the location. That's it.

And even if none of that lands and you still want to argue Eggman somehow reached into a separate branch for this one stage. Okay, sure, grant it. It still doesn't move the needle on the actual argument.

The important question is:

Does the Stardust Speedway battle demonstrate that the Time Eater can erase entire alternate timelines?

No. 

One extra location getting pulled in (even an unfitting one) is still just... one more location. It's still Time Eater snatching specific points off the map one at a time, not vaporizing timelines instantly. The core mechanic doesn't change just because you found one more weird edge case to explain.

What about the word of god statements and other materials?

• Takashi Iizuka saying in some interviews that Time Eater destroyed all of time and space/space time continuum:
  

  Iizuka is the director, so obviously his words carry weight, but he isn’t the writer of the game, and a short interview answer should not automatically be treated like a technical specification of the Time Eater’s power. These interviews are usually quick, often translated on the spot, and nobody is sitting there giving a dissertation on powerscaling and carefully defining the exact cosmological scope of characters' attack potency. Sometimes you’re simply getting a broad soundbite that conveys the general idea and keeps the conversation moving.But even if you think that my distinction is unnecessary nitpicking and skeptisim, there’s a more substantial issue: Iizuka’s descriptions are not perfectly consistent. In some interviews, he describes the Time Eater as having messed with the entire space-time continuum. In others, the description is much closer to an ongoing process affecting the specific space-time continuum.
  So the question isn't whether Iizuka’s statements should be ignored. The question is what, exactly, they establish.

  

  There are two ways to read the broader wording.

  Broad reading: Iizuka is describing the Time Eater as affecting the entirety of the relevant space-time continuum.

  Mechanistic reading: the Time Eater is progressively damaging that space-time continuum by moving through it and removing key portions of it.

  And these readings aren't actually mutually exclusive.
  Something can affect an entire system without possessing enough raw destructive output to annihilate every component of that system simultaneously. A virus can compromise an entire computer network without physically destroying every computer at once. Likewise, the Time Eater can affect the whole space-time continuum while doing so through a process of progressively consuming and removing portions of it.
  So even if we grant Iizuka's broadest statements at face value, they still don't automatically give you the conclusion people want from them. “Messed with the spacetime continuum” and “destroyed every universe in existence in one instantaneous attack” are two different propositions.
  And he’s flat out gotten stuff a bit not all correct before too, like his comments on Black Doom coming back in Shadow Generations because of the TE which don’t even line up with the stated lore as in the reality, he had regenerated a new body from a Death Leech on the ARK .

• Sonic Encyclospeedia page: 
• 
  
  Nothing new, unleashes it on all of spacetime doesn't mean destroying all of it (Ignoring that spacetime can refer to the main universe), reducing reality to a white void simply describes the Time Eater actively erasing specific stages and dumping them into White Space aka the white void.

Other evidence that goes against this notion:

3DS special stages

In the 3DS version, you get the Chaos Emeralds by getting into giant rings that lead to special stages and those are stated to be other dimensions throughout the franchise. And they're just... completely intact. Nothing wrong with them That's a real problem for the "all dimensions destroyed" reading, since here's a whole separate dimension just chilling.

Shadow Generations Movie pack DLC

Same deal but even more direct. In the Shadow Gens DLC, there's a stage set in the movie verse. Shadow gets there through a ring that appeared via the distortion, and it leads him straight into that dimension, which, again, is totally ok. Nothing destroyed, just a normal separate universe he can pop into and back out of.

And here's another thing, the boss stages are probably just in the prime universe

You can make a solid case that literally every boss stage in the game is just a gate to a specific point in time in the main universe, one that was never erased in the first place. That actually explains a bunch of stuff that would otherwise be weird:

• Why nothing is getting "restored" anything after beating a boss? Because there's nothing to restore, that point in time was never damaged to begin with, he just got pulled to it.
• Why are the enemies still fully colored and normal, when everything drained of life/color is supposed to be the signature of what Time Eater does to the areas he actually messes with? Because these locations were never on the receiving end of that effect.
• The cutscenes themselves back this up visually, nothing about the boss arenas looks like the colorless treatment the actually-erased stages get. Sonic isn't even surprised (Nor Shadow) or thrown off by any of them, which is a pretty telling reaction. And there's an even more direct piece of evidence for this: the mirror room cutscene. Both Sonics are standing in the mirror room, they hear Eggman's voice, and then Classic Sonic just walks through a door portal that leads straight to Death Egg. Which means Death Star bootleg isn't sitting in White Space at all

So put it together: two confirmed intact alternate dimensions, plus a strong case that the boss stages are just untouched points in the prime timeline = none of that fits "everything got wiped out" It all points the same direction the rest of the argument's been pointing => Time Eater hits areas in time.

Sonic Speed Simulator

Sonic Speed Simulator's Super Silver arc (Fractured Time Part 1 & 2, plus Chronos Silver: Timefall) is basically free ammo for this whole argument. Same stuff, different game and honestly stated even more plainly.

Silver opens the event laying out exactly what's happening:

"These portals are echoes of worlds we've been to before but fractured by time, if I can gather enough Rebirth Energy, we might be able to stabilize these worlds..." — Silver

Every zone completion follows the same beat:

"The distortion's gone, Lost Valley is restored."
"Hill Top is stable again."
"This timeline's purged, and our world is holding together."

Fix the local distortion, the zone snaps back.
Now the "timeline" wording. This is where people usually assume it means parallel universe always, but check the actual usage across the event. Chemical Plant on its own gets called "this timeline", singular, one specific zone. Then once multiple zones are fixed, it says "the timelines" plural:

"This timeline's purged, and our world is holding together." — Chemical Plant
"The timelines are restored, and the Chaos Emeralds are recovered." — event completion

And that's not five AUs getting saved since they're explicitly treated as just zones within Sonic's world, that's just the word "timeline" being used the exact same way it's used normally, Merriam-Webster's definitions:

Sonic material uses “timeline” in more than one context. Silver even uses it that way directly: "someone scattered them across time" referring to individual zones as points along a single chronology. Plural "timelines" just means multiple points in that same chronology got hit, same as Tails saying "areas" back in Generations.
That usage of the word isn't unique in this case, Eggman called Traveling through points in time in Sonic 06 as going to another timeline. And Sonic Generations uses that meaning in Silver's bio although he is just from the future.An So does Shadow Generations in this specific cutscene.

They were transported by that system to a different timeline. It could be the distant past or the future. — Eggman

Anyways, the finale locks this in completely. The last rift opens in Green Hill Zone:

"Another rift has opened in Green Hill Zone. If we retrace key moments from the past, we might stabilize the timeline long enough for me to close it with this blade." — Silver
"Thanks to you, the timeline is stable. I can seal the rift, once and for all." — Silver

"The timeline" here is singular and specific → the main world, the one Silver has been trying to protect this whole event. "Key moments from the past" is just Gerald's "pivotal events" phrasing again, same concept.

Time Eater's return in Part 2 backs the mechanic up too:

"Time Eater?? That explains everything! Eggman must have been using you to erase history of his recent defeats!" — Silver
"Time Eater is dangerous because we barely understand it... If we weaken it again, we can trap it in the rift." — Eggman
"Time Eater erases everything in its path. No plan. No control. If it isn't stopped, nothing will remain." — Eggman

 And the last quote above is a warning about where this is headed. Again the same thing in Sonic Generations

Silver's own battle line adds one more piece:

"I won't let you consume another second of history." — Super Silver

Meaning it's picking off individual moments, one at a time like in Generations and not deleting the whole cosmology in one shot.

Adressing some arguments:

Why are you refusing Occam's Razor for Crisis City because the game is meant to be an "anniversary title?

I didn't refuse that. I literally said that as an interpretation it is fair and that you're free to disregard my point about it, because either way it doesn't affect the core argument. Crisis City appearing doesn't change much of the scope of the Time Eater's effect by itself.

In the intro cutscene, Time Eater directly makes a portal to it, further showing that it personally attacked that timeline.
Not necessarily. The Time Eater also creates a portal to Green Hill despite the zone having already been erased and pulled into White Space at the beginning. It remains possible that Crisis City was already present in White Space as a result of the temporal distortions. I'm not saying that's definitively what happened, only that this interpretation isn't forced by the portal.
Gerald himself directly says "this is just an inference based on what I've learned at my desk." His words can be dismissed if there's substantial evidence to the contrary.

That qualification doesn't suddenly make Gerald an unreliable source. Yes, He isn't omniscient but He's explicitly being used by the game to explain the temporal anomaly and provide information about what is happening. The fact that he describes one part of his explanation as an inference means we should treat that specific conclusion accordingly, not discard everything he says. And this is especially relevant because Shadow Generations gives us a much later interpretation of the events, 13 years after the original game. Intentions and interpretations can change over time, especially with Sonic Team's history of revisiting and reframing older material. Generally, newer material should carry weight when interpreting ambiguous older material unless it creates a major, demonstrable contradiction with the established continuity.
Here (and at least for some people), Gerald's explanation is completely compatible with the Time Eater destabilizing time and causing chain reactions/domino effects or events to appear in White Space. So simply saying "Gerald admitted it was an inference" doesn't refute the explanation. You still need substantial evidence showing that his interpretation is actually contradicted.

The existence of the Chaos Island and Sunset Heights 

This doesn't change the core argument either. I've already established that the Time Eater is destabilizing the timeline area by area, so the presence of a later location doesn't automatically mean it destroyed the whole timeline or another universe for some reason. It could have been pulled in as part of the temporal distortion, similar to how the movieverse ring can appear through an anomaly, or it could have been brought in by the Time Eater itself on his own. Eggman obviously wouldn't know about future events, and Speed Simulator even implies that the Time Eater can act independently when he is not fully controlled: 

“Time Eater is dangerous because we barely understand it.”

If the timeline is "destabilized", does a chronological order even matter anymore?  

I'm not really sure what this is supposed to establish. A timeline being destabilized doesn't mean chronology ceases to exist. In the context of Generations, it's destabilized precisely because the Time Eater is interfering with events across time and pulling areas out of their proper points in history. If you're arguing that this somehow prevents us from identifying where those areas originate, you'd need to explain why.

Eggman wants to rewrite his defeats, that must include Maginaryworld no?

I beg to differ, The story consistently frames Eggman’s objective around rewriting his past failures, and the events we actually see being affected are primarily within the main timeline. 99% of his failures and plans (Espacially the ones with most impact on his character) were in the main universe. Saying it was targeting other universes requires proving that, rather than assuming that because Eggman has appeared in other universes, the Time Eater must therefore be rewriting all of them.Eggman’s role in Shuffle is also relatively minor and doesn't have any appearances or major impact in the cutscenes, he just followed the cast after learning about the precioustone and was a pain in the neck on the boards, and simply pointing out that he was present there isn’t enough to establish that TE was targeting or rewriting that dimension.And even if we grant that the second form was intended to make the rewriting more complete and extending, that still doesn’t change the mechanism actually shown. Again, all the evidence points toward it focusing on Eggman’s past failures within the main timeline.

Chaos Emeralds are restored after completing them, and the stages weren't colorless treatment too

The Chaos Emeralds being restored after defeating a boss doesn't really prove that the boss arena itself was an erased part of the timeline. They are in White Space, while the boss battles are accessed separately through gates, and in some cases there's even a room or section between the initial gate and the actual boss stage. 
The regular stages are explicitly presented as colorless/erased (Aside from game limitations WITHIN the gameplay), something that's also reflected in the Chao manga.

We don't get that same treatment for the boss arenas. Instead, they're accessed through a different way and are presented through their own cutscenes.
Take Perfect Chaos, for example. Sonic enters the boss sequence and simply jumps into the encounter without any indication that he's physically reaching some previously erased section of Station Square or “restoring” Perfect Chaos himself. The presentation is clearly different from the regular stages.

There's also a small but telling dialogue point. When the Time Eater catches Eggman, Classic Tails says, “He got your Eggman too. This is getting serious!” That would be rather odd if Eggman and his base had already been erased and pulled into White Space beforehand, as that interpretation would make Tails' reaction redundant. 

Conclusion:

At the end of the day, the cosmology level version of the feat isn’t the reading the game actually supports. It’s the reading that sounds cooler when you strip away the context. Once you look at the full dialogue, the mechanics, and how the Time Eater’s actions are consistently described, the local erasure interpretation isn’t just the more defensible reading. It’s the one that actually accounts for the script as a whole, rather than cherry-picking a few broad statements while ignoring everything else.

The Time Eater is still an extremely powerful temporal threat But “affects and progressively erases portions of the timeline” is a fundamentally different claim from “instantly destroyed the entire Sonic cosmology and higher dimensions” The former is what the game repeatedly depicts and describes. The latter requires assumptions that the actual story never clearly establishes.

So if we’re scaling the feat based on what the game actually shows and says, rather than what sounds the most impressive out of context, the conclusion is pretty straightforward: the Time Eater did not simply wipe out the entire multiverse. It progressively tore apart and displaced portions of the timeline into White Space.

And after all that, yes, Shadow still beats Mewtwo. You can close the tab, Pokémon fans. The Time Eater allegations have been reduced to rubble, but Shadow’s agenda remains completely unaffected.