Nintendo - Nintendo Entertainment System prototypes undumped

• Various http://nesworld.com/nesprototypes.php
• Lunar Pool https://twitter.com/jironosuke99/status/1367860839915474945
• Trog https://www.youtube.com/watch?v=abMWWwu_mVA
• Mini Putt https://www.worthpoint.com/worthopedia/prototype-mini-putt-unreleased-1789823538
• Wall Street Kid https://www.gamingconviction.com/undumped-wall-street-kid-prototype-surfaces/
• Tengen Tetris https://www.youtube.com/watch?v=6YKYMRCcV8E
• Gauntlet https://www.gamingconviction.com/undumped-gauntlet-nes-prototype-surfaces/
• Spy vs Spy 2 https://www.worthpoint.com/worthopedia/prototype-spy-vs-spy-island-caper-1789157286
• Various https://www.reddit.com/r/gamecollecting/comments/8y6su2/nes_prototype_collection/
• Super Mario Bros. 2(supposedly matches the final USA version, but no hashes or ROM provided) http://www.nintendoplayer.com/prototype/super-mario-bros-2/
• Swamp Thing https://www.worthpoint.com/worthopedia/prototype-swamp-thing-nes-nintendo-1789158467
• Ninja Gaiden II https://www.worthpoint.com/worthopedia/ninja-gaiden-ii-dark-sword-chaos-2001884837
• Mega Man 2 https://twitter.com/Protodude/status/1387182505699291136
• Stanley: The Search for Dr. Livingstone https://www.worthpoint.com/worthopedia/prototype-stanley-search-dr-1789817836
• Ninja Crusaders https://www.worthpoint.com/worthopedia/prototype-ninja-crusaders-nes-1789692456
• Iron Tank https://www.worthpoint.com/worthopedia/prototype-iron-tank-nes-nintendo-1789822978
• Probotector II https://contrapedia.wordpress.com/super-contra-pre-releases-nes-sample/
• Castlevania: Dracula X https://comics.ha.com/itm/video-games/nintendo/castlevania-dracula-x-wata-certified-prototype-snes-konami-1995-usa/a/7231-93040.s
• Zelda II http://archive.nes.science/nintendoage-forums/nintendoage.com/forum/messageview8a0b.html?catid=29&threadid=164723
• Rockman 3
• Mr Splash (is this a proto?)
• Ninja Hattori-kun https://twitter.com/jironosuke99/status/1068085362277240833
• Zunou Senkan Galg
• Various (backup)
• Various
• "Dragon Lance: Dragons of Flame" and "Dragon Lance: Heroes of the Lance"
• Gradius
• Super Monkey Adventure Auto Demo ver
• Unknown
• Rockman
• Indy: The Magical Kid
• Clu Clu Land https://www.certifiedlink.com/itemdetail.asp?from=auction&id=1362089
• https://page.auctions.yahoo.co.jp/jp/auction/h1016467979
• https://page.auctions.yahoo.co.jp/jp/auction/s1016732616
• Hagane https://twitter.com/frankcifaldi/status/1511869777270099968
• https://cdn.discordapp.com/attachments/1045238561173159967/1130239704424525904/nemo.jpg posted by Tootai (tootai / 795899193994510357) on Hidden Palace discord on 2023-07-16
• https://www.youtube.com/watch?v=oHjMQGDr3Sw https://www.lemon64.com/forum/viewtopic.php?t=30450 "a prototype of the unreleased western version of Aigina's Prophecy for the NES"
• Unk NES dev boards image 1, 2, 3, 4, 4 (owned by https://twitter.com/Bluegbc)

Confirmed to exist

Name	Notes	Cart Pic(s)	PCB Pic(s)	Screenshot(s)
Captain Silver	https://page.auctions.yahoo.co.jp/jp/auction/x641067149. right sides of screenshots depict the prototype.
Salamander	https://twitter.com/SHOKEN4/status/1192375060293509120 Cart front text: KONAMI RC821 SAMPLE
Gradius	https://twitter.com/SHOKEN4/status/1192375060293509120 Cart front text: KONAMI RC810 SAMPLE
Gradius II	https://twitter.com/SHOKEN4/status/1192375060293509120 Cart front text: KONAMI RC832 SAMPLE
Spy vs Spy	https://twitter.com/jironosuke99/status/1362586539415404545 https://twitter.com/jironosuke99/status/1388802995563864065. Auto Demo.
Top Gun	anonymous user known to Hiccup is planning to dump this. Cart front text: Konami RC822 SAMPLE
火の鳥の無敵	https://twitter.com/jironosuke99/status/1564583050100748289
Hyper Olympic, Stargate, Soccer, Joust, Supee Mario Bros	https://twitter.com/frankcifaldi/status/765294125566439424 "All but Soccer are definitely earlier-than-retail". SMB isn't owned by Cifaldi - it was bought from same seller as the others by an unknown person.
Willow	Posted by Humppa#2104 (401806916994727937) to Hidden Palace discord on 2022-12-04 He's looking for someone in Finland with a NES cart dumper, so he can dump it.		File:NES-proto-Willow-PCB front.jpg File:NES-proto-Willow-PCB back.jpg

Unlicensed

• Action 52 https://twitter.com/YuukoEnjoyer/status/1423667586592608269 owner says they want to dump it

Name	Notes	Cart Pic(s)	PCB Pic(s)	Screenshot(s)
Big Nose the Caveman	Earlier version. Different label. 1990 date. Lots of in-game differences this one featuring a Galoob splash screen. mek on TCRF irc says he is going to try and dump it.
Pool	https://twitter.com/nesworld/status/1563606935684780032
Double Strike	https://twitter.com/nesworld/status/1563606935684780032