Massive Pokemon GSC leak has source code and beta creature designs for second-gen games

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Building upon the Space World GS demo that was leaked a while back, and a source code leak of Pokemon Blue, is a brand new discovery, involving the second-generation Pokemon games once more. Supposedly, multiple early builds of Pokemon Gold/Silver are out and about on the internet, courtesy of an anonymous 4chan user. Despite the dubious source, the alleged leak contains data for beta designs of the gen 2 Pokedex, complete with unfinished beta designs of many Pokemon featured throughout the early Gold/Silver versions, along with the source code for Pokemon Crystal. The file is 784.2 MiB.

There is a veritable treasure trove of information to dig through, including the wildly different concept sprites for some of the Johto Pokemon, a GameBoy emulator created for testing purposes by Nintendo themselves, debug builds, and much more.

NSW_S_C-132.png NSW_S_C-137.png NSW_S_C-138.png NSW_S_C-163.png NSW_S_C-175.png
NSW_S_C-185.png NSW_S_C-188.png NSW_S_C-248.png NSW_S_C-250.png

The builds themselves cannot be shared here, though they are floating around on the internet.

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:arrow: Source: beta build screencaps
 

Ryccardo

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Possibly it was developed for these games specifically?
Possibly - and in any case, just for convenience: remember testing on actual hardware is still king (indeed the GBC debug model, aka "IS CGB emulator", was already a thing for a while; remember also the days of when there were more in-development DS emulators than ever, all of them sucked, and one of them (Ensata) was 2nd party? :) )

And of course, Nintendo was very adamant at claiming that emulators are illegal ;)
 

Pluupy

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ioRNjUO.png


This is Dunsparce ノコッチ Nokocchi

Original design perhaps too similar to a Tsuchinoko

Design overhaul

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Last edited by Pluupy,

osaka35

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There has been a nice commented disassembly for various pokemon games for quite a while now, certainly one you could assemble, and dozens of tools that allow the users of said tools to make extensive changes to the games.

Results of that? I assume you already don't pay attention to pokemon hacks and wait for people to pick out any quality and shout that far and wide.
What's with all the salt? Thought it was obvious, but i was talking about the beta pokemon being integrated into standard silver/gold...
 

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