>When I go out of bounds in the X direction, we will run into exact copies of the original map. These copies have no objects, scripts or warps - only map data remains intact. You mean... PARALLEL UNIVERSES???

So apparently, getting into the Pallet Town grass didn't give me a Pikablu.

Glitching Pokemon games is seriously becoming a science. It's impressive, but also kind of worrying. Like, imagine if ZZAZZGlitch had spent all this effort on something like high-energy particle physics instead. Perhaps some corner of the world is missing a great mind, waiting for a discovery that never came, just because those Pokemon games were so fun to break.

Your game corner theme is like Pannekoek's File select theme.

First we need to talk about parallel universes...

"These desolate copies of the original map are traditionally named "Phantom Towns"". Suddenly, I understand why you were in Lavender Town.

Poor prof. Oak, he's probably lost in the oob. ;_;

So, we found the equivalent of Super Mario 64's Parallel Universes in Pokemon R/B/Y! Yay!

I love at the end where Professor Oak just takes off walking off the screen. XD

The desolate Lavender Towns are parallel towns where everybody died.

This explains a lot >_> Anyone who's used walk-through-walls knows about crashing when you go outside the walls, but I managed to get behind the freeze buffer once (I think on Sea Route 20, incidentally?) and was very perplexed when I could literally see the other side of the sea fence and Cinnabar's shoreline, but hit the crash buffer when I took the map connection. I asked myself "why does this game have a programmed strip that breaks the game when I can literally see the shoreline, why can't I just go up to Cinnabar???" and now I know and this is honestly super nice to finally get out of my head :I

Always wondered what were those phantom towns. That's some creepypasta material.

Um. No, I'm not procrastinating. I'm. Doing research. For a novel.

Oh my God, this is literally parallel universes.

I'm starting to be interested in this channel. It's like pannenkoek2012 mixed with Stryder7x but it's Pokemon instead of Mario. But to answer that, we need to talk about parallel universes.

that means we could make a map of safe OOB exits and entrances. Wrong warp-less speed runs can be made faster using this information!

for nebby it's anything outside the bag

so, uh can we get an explanation of what happens when Oak doesn't know where to go in that first cutscene?

This is one of the things I always wondered about the first generation of Pokemon, the out of bounds areas.

Parallel universes... in Pokemon.

DAT hitmarker and airhorn doe

So that's why doing the Safari Zone glitch puts you in glitch city. I had no idea it was a wrong warp to OOB. That explains a lot.

Interesting stuff. I look forward to you breaking more things. (Maybe some breakdowns of how generation two works under the hood in the future?)

The effort you put into this videos.. remarkable! Thank you!

out of all the things i watch, some of the most informative things i have watched

7:06 "hacked away" just got a new meaning.

When I was younger, I tried really hard to exploit the OOB on Route 22 and use the X shifting upwards to try and skip the badge checks. I was disappointed that the cave entrance did not work. Learning about this certainly clarifies what was going on, so thanks for putting my "what if" to rest.

This is all fascinating stuff, thank you! Been experimenting Glitch City and Out of Bounds results with my childhood copy of Pokemon Blue and my new Gameshark.

14:20 - Get the frig out of my way, kid.

this is actually rather informative.

When you hear -the sm64 save file music- the game corner song, it's time to learn

"Now you're an expert in out of bounds map mechanics in Generation I Pokémon games!" Yep! That's going straight to my CV!

"now you're an expert in out of bounds map mechanics in Generation I Pokemon games!" you can go to nasa now

These videos are so bloody interesting. Thanks!

NOTE The below is me taking a connection issue as a problem in the video. It appears that the block of text I referred to conveniently started right when the connection issue started, and the issue resolves after a few blocks. ---- Third block of text at 6:45 is blurred the whole time it appears! My attempt at reading: Let’s go back to our formula. The size of the/that RAM buffer that holds the map data(??) is 1200(?) bytes. We can exceed(??) this boundary by reaching(??) a(?) very high Y coordinate - the game will then read map data from memory areas(??) that contain(??) unrelated information. So the out of bounds glitch cities actually represent(??) other parts of the RAM, like player/Pokemon data, items(??), Pokedex _____, and so on. Oh WTF, how long does the blur go on for? The next block is blurred too, idk if for all the time it stays on screen tho. OK it unblurs at about 7:36. TF is this blurring tho? I mean, I was just trying to report one from 11:20 to >=11:59 and now it's not happening anymore! Is it a connection problem, which moving from wifi to mobile network eliminated?

Would it be alright if I did a "voiceover" for this video? It's full of really cool information, and I'd hate for people with vision problems to miss out on something this interesting.

So... if you go all the way past the out-of-bounds area for a map, past every phantom area and etc., do you wrap back around to the original, "real" map?

That other game data gets type-punned into a map still blows my mind years later.

Could you explain on a crash why vertical lines are drawn, and why text is occasionally replaced with NPC sprites?

Nice video! I've been needing a good in-depth explanation on how out of bounds works so thanks for making this video

I remember visiting these Parallel Universes as a kid, Seeing a empty cinnabar is so weird.

Alternatively, instead of using a walk through walls glitch, we can build speed for 12 hours

This glitch is actually pretty similar to Sonic 3k sewer/loopback glitch. Huh.

Wonderfull video zzazz, I dont fully understnad what youre saying but nevertheless Great video and kdep up the good work!

i always wondered how 3 houses could classify as a town in the pokemon world. now we know where all these people live. Look at all those broken-up houses in the Glitch Cities. Space for millions of people.

3:00 phantom towns? do you mean paralel universes? (i mean, they don't have objects,npcs, or warps)

why the hitmarkers and airhorn XD

1:08 So these are basically the Pokemon equivalent of parallel universe-- *shot*

Wow, a glitch that is sentient enough to have its own KZfaq channel, nice!

1:54 I think we found out where Gary got his extra Kanto gym badges in the anime.

Really interesting video!

How many A presses does it take to build up unlimited speed by turning Red to redirect his calculated next position out-of-bounds? Also, how does the bicycle affect his defacto speed?

3:51 You want to be serious but You failed at memes part

So... Let's do some deductive reasoning. The depth of the "endless border tiles" on the bottom of the map is inverse to the width of the map. Sounds a lot like the game is just writing the map data into a buffer of fixed length and whatever is left at the end of that buffer will just repeat the last tile until the buffer is full. If you step beyond the buffer, you will enter the memory outside of the buffer, which is other game data unrelated to the map. As for the sideways tiling, the game can't understand where the map data ends. It will just keep reading out the memory, which contains the map built row by row. There are no break points or anything within this map data, it's just one long stream of bits and the map is built row by row (with there probably being some variable right at the beginning of the map data indicating the width of the map) so if you step out of bounds and keep walking in the x direction, you will just enter the next row of the map... But entities are placed with their actual coordinates, rather than being tied to map tiles, which is why those phantom maps have no people in them. Just one question remains: What would a map look like if you hacked it to wrap map tiles at the wrong intervals? Would the game still playable?

this is like PU (parallel universe) in super mario 64

Thanks for the great video!

so what happens if you go left? or up? if you keep going down through the OOB glitch city do you eventually end up back where you started?

What happens when we have 256 (or 0, it's the same) pokémon in our party and we heal at a pokécenter? Apart from crashing, obviously.

Hello, Jirachi here. Why are the glitch cities of narrower maps further down? And why do they use unsigned numbers so that the mainland is in the upper left, not the center? And last but not least, what does out of bounds look like in later generations?

Nicely done video, I love the videos about these, i'm especially interested in 4 '4.

One time (I don't remember when) I was messing around with a walk through walls cheat on the john GBAC emulator and I accidentally entered in the OOB area of route 4. I didn't even know that that was possible (and my game didn't crash with the map connection still on)

Tried using this video to try and help me understand why trying to do map connections in the pokered disassembly was so ass I learnt but not my goal

I might have just found a way to get out of bounds without removing the part that crashes the game. If you walk down from Viridin City using walk through walls, it won't crash the game, as long as you do not walk into the grass right by the barrier. I tested in Japnese Red and English Yellow

OHMYGOD POKEMON GEN 1 HAS *PARALLEL UNIVERSES*

what is the gameshark to ignore map connections?

The ending: "Right behind you Oak!" :P

I saved the game after going out of bounds on sapphire and was forever trapped in nothing and couldnt fly or anything so had to restart the game and lose everything

We need to talk about ghost towns.

Well that explains where I got that one time I fucked up walkthrough walls in Celadon.

so... the glitch city is just the game trying to use unrelated RAM as map data? does it mean that you get to glitch city due to the game not knowing where to warp when doing the glitch city glitch?

in Y direction, the map is periodic with a very very long period. 65536 tiles ?

Sunny Town explained! nice video

I feel like more people should watch this since this is such a nostalga for me lol

Hey, recently i saw your emulator accuracy video, and your "Effects of overflowing the stack with '9F'" video, i saw that the game crashed in an unknown opcode, couldnt you just try this glitch on the VC Version of the game and see if you can find some useful or cool glitches? or is that not possible?

well, seems now we know how to access glitch city without safari zone xd

I wonder why the areas are so big, a lot of it isn't actually used...? Memory?

Hi! nice video, it explained everything clearly! however, I have a question for you: at 9:38, you say that the map 0xFF makes the game crash. why? is this crash intentional? is it some sort of error? More surprisingly, it dowsn't happen immediately, but after a little of time. maybe the memory r/w speed is involved here? if I understand correctly, the game shoud simply try to read some data at the address (base address of maps)+(max size of a map)*255, so effectively reading garbage data and producing a glitch city. maybe have I overlooked something ?

When you reach the "limit" in OOB map (for example, you reach the x limit), does the game crash or it repeats the whole OOB map?

So... The way i kept my map data on scratch is like, nothing unusual? (Im pretty advanced when it comes to scratch)

wait, if you use incredibly precise 8f ace can you turn the unused oob location into a custom map?

Try this out on Pokemon Gold. The X-Coordinates OOB works ("phantom routes/town/city") + Map shifting behavior. I found something intresting as well. I found "one way OOB". It's similar to freeze tiles expect for the fact that entering it from one direction doesn't freeze, but the opposite does. Intresting.

Interesting that the top row of the map isn't shadowed at *any* point.

Wow what a well researched video

seeing the graph at 4:11 made me wonder something this is like my tenth time watching this vid but i only just wondered what happens if you go past the last phantom town make a vid on that

You can enable PC item underflow without having to lose all your items if you have regular item underflow and maybe a 9 in an even slot of your rival's name if you want to make things easier, but you really don't need to. And you can sell J items for more than 400000 P$ each.

Why did you have to chose Lavender Town of all places?

I dont know whats happening but i like it

Phantom Towns my foot, these are obviously Parallel Universes! Also I know the comments are flooded with these comments but I felt like it's not enough yet :>

1:58 WELCOME TO GLITCH CITY

Red: *Goes Out Of Bounds* Game: FREEZE BITCH !

RED! I TOLD YOU NOT TO USE THE BICYCLE!

So... are the repeating blank maps a similar mathematical phenomenon like what panenkoek calls parallel universes in SM64? But with only an XY plane due to 2D space as opposed to XYZ in 3D space? Sorry if it's obvious, I'm not very good at math-y stuff, it's a bit difficult to wrap my mind around :)

8:42 Ohh that explains why getting into glitch city using the Safari Zone method, it crashes when you get too far from where you landed after the teleport. Hah, to imagine I'd get to know the reason of that random crash decades after I stumbled upon that glitchy mess... 12:08 Oh... speaking of the devil, man that scared the shit out of my 10 year old self back in the day xD. Also, funny ending at 14:16, good ol' Oak messing shit up.

Next challenge: bring NPCs to phantom cities, like enemies/coins to PUs.

Why does every single Nintendo game seem to have parallel universes in it?

Awesome video.

I have two questions. First these glitch cities are mostly stable, meaning you get the same glitch city on the same map, even when entering multiple times... If you're looking at the RAM, how is it possible that they don't change as much ? Second, different maps have different glitch cities. Again, since you're looking at the RAM, shouldn't they all be the same ?

Why did they make such huge maps for a big 8-bit game? Wasn't it hard enough to fit it into an 8-kilobyte cartridge?

THE PARALLEL UNIVERSES ARE EVERYWHERE

My thought process starting at 3:26: "You referencing Call of Duty, aren't you..." 3:51: "Ha ha, yeah, you're referencing Call of Duty..."