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Important Note: Make sure to use Neogeo zipped rom sets from a recent MAME set like 0.144 and higher. Do not use sets from Neorage or FBA since they are not 100% compatible. Also do not unzip or rename any game files.

Initial Setup:
  • Create a game directory on your device (named Neogeo for example), using a file manager app or your PC
  • Obtain from a recent version of MAME and place it in the directory. If you're having trouble finding the right one, search Google for "MAME Bios"
  • Obtain at least one game zip and place it in the directory, making sure it's on the compatibility list below. For example, if you want "Metal Slug", you'll need the file
  • Launch NEO.emu and select "Load Game", then navigate to the directory you previously made and select the game zip you want to run
  • Once you've navigated to the game directory, you may also select "Load Game From List" to show the full titles for easier game selection
Neogeo-specific Options:
  • Emulate Timer: Enable the per-scanline timer used in some games for raster effects. "Auto" enables it using a built-in list of games that require it (mostly soccer ones). Turn it off if you experience flickering graphics.
  • Make/Use Cache Files: Create and use .gno cache files when loading a game. These files speed up loading and reduce memory usage of games but may not work with all games yet. Loading a game the first time without a .gno file present will take 2x-3x longer, but once created the game will load around 10x faster.


    Q: I'm stuck with 4 credits, how do I insert more?

    A: When in console (AES) mode, you can't insert more credits just like the real Neogeo system. If you push start+select to access the Universe BIOS menu, most games have infinite life/credit cheats listed. Alternatively, to switch into arcade (MVS) mode: open the app menu, change the setting under Unibios Switches, and reset the game. Now push the select button to insert as many credits as you like.

Compatibility List (All sets were tested from MAME 0.144, larger ones require devices with at least 512MB of memory):

OKRuns, but has issues
Doesn't work yet on all ports

Note: No current ports use the C core so all issues with it are now marked "OK"

 Game Title
 Filename Compatibility Note
3 Count Bout 
2020 Super Baseball 
Alpha Mission II 
Andro Dunos 
Aggressors of Dark Kombat 
Art of Fighting 
Art of Fighting 2 
Art of Fighting 3 
Bakatonosama Mahjong Manyuki 
Bang Bang Busters 
Bang Bead 
Blue's Journey 
Blazing Star 
Breakers Revenge 
Baseball Stars Professional 
Baseball Stars 2 
Burning Fight 
Crossed Swords 
Captain Tomaday 
Digger Man (prototype) 
Double Dragon 
Eight Man 
Fatal Fury Special 
Fatal Fury 
Fatal Fury 2  fatfury2.zipCorrupt Graphics
Fatal Fury 3 
Football Frenzy 
Fight Fever 
Battle Flip Shot 
Galaxy Fight 
Garou - Mark of the Wolves 
Ghostlop (prototype) 
Goal! Goal! Goal! 
Voltage Fighter - Gowcaizer 
Ghost Pilots 
Ironclad / Choutetsu Brikin'ger 
The Irritating Maze Lockup
Jyanshin Densetsu - Quest of Jongmaster 
Jockey Grand Prix Lockup
Puzzled / Joy Joy Kid 
Far East of Eden - Kabuki Klash / Tengai Makyou - Shin Den 
Karnov's Revenge / Fighter's History Dynamite 
Kizuna Encounter - Super Tag Battle 
KOF 94 
KOF 95 
KOF 96 
KOF 97 
KOF 98 
KOF 99 
KOF 2000  kof2000.zipSound Issues
KOF 2001  kof2001.zipMissing Graphics
KOF 2002  kof2002.zipSound Issues
KOF 2003  kof2003.zipLockup
King of the Monsters 
King of the Monsters 2 
Last Blade / Bakumatsu Roman - Gekka no Kenshi 
Last Blade 2 / Bakumatsu Roman - Dai Ni Maku Gekka no Kenshi 
League Bowling 
Legend of Success Joe 
Last Resort 
Magical Drop 2 
Magical Drop 3 
Magician Lord 
Mahjong Kyoretsuden 
Chibi Marukochan Deluxe Quiz 
Matrimelee / Shin Gouketsuji Ichizoku Toukon 
Money Puzzle Exchanger / Money Idol Exchanger 
Minnasan no Okagesamadesu 
Syougi no Tatsujin - Master of Syougi 
Metal Slug 
Metal Slug 2 
Metal Slug X 
Metal Slug 3  mslug3.zipARM Core is OK, Possible Lockups on C core
Metal Slug 4  mslug4.zipARM Core is OK, Possible Lockups on C core
Metal Slug 5  mslug5.zipLockup
Mutation Nation 
Ninja Combat 
Ninja Commando  ncommand.zipARM Core is OK, Random Lockups on C Core
Neo Bomberman 
Neo-Geo Cup '98 - The Road to the Victory 
Neo Drift Out - New Technology 
Neo Mr. Do! 
Nightmare in the Dark 
Ninja Master's 
Over Top 
Panic Bomber 
Puzzle Bobble 2 / Bust-A-Move Again 
Puzzle Bobble / Bust-A-Move 
Pleasure Goal / Futsal - 5 on 5 Mini Soccer 
Pochi and Nyaa  pnyaa.zipNo Sound
Pop 'n Bounce / Gapporin 
Prehistoric Isle 2  preisle2.zipMissing Graphics
Power Spikes II 
Puzzle De Pon! 
Puzzle De Pon! R! 
Quiz Daisousa Sen - The Last Count Down 
Quiz Meitantei Neo & Geo - Quiz Daisousa Sen part 2 
Quiz King of Fighters 
Ragnagard / Shin-Oh-Ken 
Real Bout Fatal Fury 
Real Bout Fatal Fury Special 
Real Bout Fatal Fury 2 
Riding Hero  ridhero.zipMissing Graphics
Robo Army 
Rage of the Dragons  rotd.zipMissing Graphics
Strikers 1945 Plus  s1945p.zipMissing Graphics
Samurai Showdown 
Samurai Showdown 2 
Samurai Showdown 3 
Samurai Showdown 4 
Samurai Showdown 5  samsho5.zipLockup
Samurai Showdown 5 Special  samsh5sp.zipLockup
Savage Reign 
Super Dodge Ball 
Sengoku 2 
Sengoku 3  sengoku3.zipMissing Graphics
Shock Troopers 
Shock Troopers 2 
Soccer Brawl 
Sonic Wings 2 
Sonic Wings 3 
Spin Master / Miracle Adventure 
Super Sidekicks 
Super Sidekicks 2 
Super Sidekicks 3 
Ultimate 11 - The SNK Football Championship 
Stakes Winner 
Stakes Winner 2 
Street Hoop / Street Slam / Dunk Dream 
The Super Spy 
SNK vs. CAPCOM SVC CHAOS  svc.zipLockup
Top Hunter - Roddy & Cathy  tophuntr.zipARM Core is OK, In-game Issues on C Core
Top Player's Golf 
Thrash Rally 
Treasure of the Caribbean 
Neo Turf Masters 
Twinkle Star Sprites 
Tecmo World Soccer '96  tws96.zipARM Core is OK, CPU Crash on C Core
Viewpoint  viewpoin.zipARM Core is OK, CPU Crash on C Core
V-Liner  vliner.zipCPU Reboots
Waku Waku 7 
World Heroes 
World Heroes 2 
World Heroes 2 Jet 
World Heroes Perfect 
Windjammers / Flying Power Disc 
Zed Blade / Operation Ragnarok 
Zupapa!  zupapa.zipMissing Graphics

Needed BIOS Files (number in parentheses is CRC-32): If you wish to remove unused files in your, these are the exact files currently needed by NEO.emu
  • 000-lo.lo (0x5a86cff2)
  • sfix.sfix (0xc2ea0cfd)
  • For Universe BIOS mode: uni-bios_2_3.rom (0x27664eb5)
  • For MVS Japan mode : vs-bios.rom (0xf0e8f27d)
  • For MVS USA mode : usa_2slt.bin (0xe72943de)
  • For MVS Asia mode :asia-s3.rom (0x91b64be3)
  • For MVS Europe mode : sp-s2.sp1 (0x9036d879)