Proto Challenge (@protochallenge.bsky.social)

Proto Challenge

@protochallenge.bsky.social

We like prototypes. https://archive.org/details/@proto_challenge https://www.youtube.com/@ProtoChallenge

@protochallenge.bsky.social

This is Johnny All-Star, an unreleased compilation of the Johnny series released on the 3DS eShop by UFO Interactive Games. This was likely intended for a retail release. Thank you to @akfamilyhome.com for dumping this and sending it to us!

Proto Challenge

@protochallenge.bsky.social

22 Aug

Link: archive.org/details/john...

archive.orgJohnny All-Star (unreleased 3DS compilation game)This is an unreleased compilation of the Johnny series of 3DS eShop games developed by UFO Interactive Games. It includes Johnny Kung Fu, Johnny Hotshot, and Johnny Impossible. It was probably intende...

Proto Challenge

@protochallenge.bsky.social

14 Aug

Hello! Today, we have for you a 3DS factory tool called CTR Multi Loader, which would load firmware files from an SD card. This was dumped from a 3DS X2A prototype unit, and this build of the tool is dated June 2, 2010. (More details in 🧵)

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Proto Challenge

@protochallenge.bsky.social

14 Aug

CTR Multi Loader and the NAND dump it came from will be available for download very soon from the Internet Archive: archive.org/details/factory-3ds-x2a-prototype

archive.orgFactory 3DS X2A Prototype NAND / CTR Multi LoaderThis is a NAND dump of a 3DS X2A prototype that was used in the factory (serial no. AAA30000866). It contains a factory tool called CTR Multi Loader, which would load firmware files from an SD card. T...

Proto Challenge

@protochallenge.bsky.social

14 Aug

Sorry for the wait! The Internet Archive download is now live.

Proto Challenge

@protochallenge.bsky.social

14 Aug

Proto Challenge

@protochallenge.bsky.social

14 Aug

This was used in a factory machine called the Gyro Station (like the one in this picture), which would plug into another 3DS to make sure its gyroscope was functioning correctly before that 3DS would leave the factory. The Multi Loader app on the NAND would load the test program from an SD card.

Proto Challenge

@protochallenge.bsky.social

9 May

Today, we bring you a prototype of Bugs Bunny Rabbit Rampage for the SNES with unknown differences compared to the final version. Thank you to PrimalConcreteSledge for dumping this and sending it to us for release!

Proto Challenge

@protochallenge.bsky.social

9 May

Proto Challenge

@protochallenge.bsky.social

9 May

Proto Challenge

@protochallenge.bsky.social

9 May

Link: archive.org/details/bugs...

archive.orgBugs Bunny Rabbit Rampage (prototype) : Free Download, Borrow, and Streaming : Internet ArchiveThis is a prototype of Bugs Bunny Rabbit Rampage for the SNES with unknown differences compared to the final version. Thank you to PrimalConcreteSledge for...

Proto Challenge reposted

The Cutting Room Floor

@tcrf.net

9 Apr

Hey folks! We have an anonymous release today of a very early Punch-Out prototype! There's a lot to see in it (but not hear); check out the @gamehistoryorg.bsky.social video here! www.youtube.com/watch?v=3T5A...

youtube.comThis Punch-Out!! Prototype is Unlike Anything We've Seen BeforeYouTube video by The Video Game History Foundation

Proto Challenge

@protochallenge.bsky.social

9 Apr

We've released a v3.1 update to our 3DS EmuNAND kit to address some technical issues. If you've had technical issues when using the kit, please try running this new update.

Proto Challenge

@protochallenge.bsky.social

9 Apr

Link: archive.org/download/3ds...

archive.orgarchive.org

Proto Challenge reposted

@akfamilyhome.com

5 Apr

Proto Challenge

@protochallenge.bsky.social

4 Apr

Proto Challenge presents... A lot of Nintendo 3DS system software prototypes + a very early prototype of Kid Icarus Uprising! This release has been a long time coming, and we're happy to finally have it all working on retail hardware for anyone to try. 🧵

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Proto Challenge

@protochallenge.bsky.social

4 Apr

The full release with NAND dumps is now available here: archive.org/details/more... Please use the EmuNAND Setup Kit linked earlier in the thread if you want to play these titles. This link is just for archival purposes.

archive.orgMore Nintendo 3DS Prototypes (2010) : Free Download, Borrow, and Streaming : Internet ArchiveProto Challenge presents...20 prototypes of 3DS titles dumped from seven prototype system NANDs! Most of these are early versions of built-in system...

Proto Challenge

@protochallenge.bsky.social

4 Apr

Also, please note that the EmuNAND only works on real hardware. There is currently no way to play prototype titles on an emulator.

Proto Challenge

@protochallenge.bsky.social

4 Apr

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Proto Challenge

@protochallenge.bsky.social

4 Apr

@akfamilyhome.com and @jamesmoney.bsky.social livestreamed this lot earlier if you'd like to see gameplay of the prototypes. www.youtube.com/live/MDdX0b-...

youtube.comNintendo 3DS System Software Prototype Showcase (ft. @JamesMoney)YouTube video by Akfamilyhome

Proto Challenge

@protochallenge.bsky.social

4 Apr

More screenshots:

Proto Challenge

@protochallenge.bsky.social

4 Apr

Proto Challenge

@protochallenge.bsky.social

4 Apr

Try it out here: archive.org/details/3ds-... A link to the full release with NAND dumps will be going up later today. The Internet Archive is very slow to upload to, so we apologize for the wait.

archive.org3DS Prototype EmuNAND Setup Kit : Free Download, Borrow, and Streaming : Internet Archive--- 3DS Prototype EmuNAND Setup Kit v3.0 (released April 4, 2026) ---To play any games made for prototype firmware, you'll need to set up an...

Proto Challenge

@protochallenge.bsky.social

4 Apr

The stream is starting soon. 👀

AK@akfamilyhome.com

In partnership with @protochallenge.bsky.social, I'm happy to showcase some new 3DS system software prototypes in a livestream on April 4th, 11:45 AM Eastern / 8:45 AM Pacific. Joining as co-commentator will be @jamesmoney.bsky.social! Hope to see you there! youtube.com/live/MDdX0b-...

Proto Challenge

@protochallenge.bsky.social

4 Apr

Friendly reminder: this is about 12 hours away. 👀

AK@akfamilyhome.com

Proto Challenge reposted

@akfamilyhome.com

2 Apr

Proto Challenge

@protochallenge.bsky.social

1 Apr

Thanks for 100 followers! We'll have an exciting announcement coming tomorrow. 😱

Proto Challenge

@protochallenge.bsky.social

31 Mar

You may recall we announced that a live stream showcasing new prototypes would be happening sometime in March. We've delayed this stream to April 4th at 3:15 PM UTC. More details will be announced in the coming days.

Proto Challenge

@protochallenge.bsky.social

27 Mar

This is a prototype of the unreleased Game Boy Color version of 40 Winks! This build has 6 playable levels and 2 playable characters (Ruff and Tumble). It seems to have been from very far along in the game's development. archive.org/details/40-w...

Proto Challenge

@protochallenge.bsky.social

27 Mar

We've uploaded gameplay to our YouTube channel! (subscribe for more cool stuff in the future 👀) www.youtube.com/watch?v=N-cc... www.youtube.com/watch?v=k7S3...

youtube.com40 Winks (Unreleased GBC) Longplay - RuffYouTube video by Proto Challenge

Proto Challenge

@protochallenge.bsky.social

24 Mar

Today, we bring you a prototype of Mario's Picross for the Game Boy! Dated January 23rd, 1995, this build comes a few months before release and contains different puzzles, a different Super Game Boy title screen, and other graphical differences. archive.org/details/mari...

Proto Challenge

@protochallenge.bsky.social

26 Feb

Today marks 15 years since the 3DS released. To celebrate, we'd like to announce that in March, we'll host Proto Direct: a live stream showcasing newly found game prototypes for 3DS and other systems too! We'll announce an exact date/time at a later date. Follow us here to get notified of updates!

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