Arcade (MAME)

Orange Club - Maruhi Kagai Jugyou (Japan 880213)

Orange Club - Maru-hi Ippatsu Kaihou [BET] (Japan 880221)

Ordyne (Japan)

Oriental Legend / Xi You Shi E Zhuan (ver. 105, Korean Board)

Oriental Legend / Xi You Shi E Zhuan (ver. 111, Chinese Board)

Oriental Legend / Xi You Shi E Zhuan (ver. 112, Chinese Board)

Oriental Legend / Xi You Shi E Zhuan (ver. ???, Chinese Board)

Oriental Legend / Xi You Shi E Zhuan (ver. 112)

OutRunners (US)

Psycho-Nics Oscar (Japan revision 1)

Psycho-Nics Oscar (Japan revision 2)

Psycho-Nics Oscar (US)

Disco Mahjong Otachidai no Okite (Japan)

Operation Thunderbolt (Japan)

Operation Thunderbolt (US)

Operation Thunderbolt (US, older)

Otona no Mahjong (Japan 880628)

Outfoxies (Japan, OU1)

Out Run (bootleg)

Out Run (deluxe sitdown)

Out Zone (set 2)

Out Zone (set 3, prototype?)

Out Zone (set 4)

Ozma Wars (set 1)

Ozma Wars (set 2)

P-47 - The Freedom Fighter (Japan)

Paca Paca Passion (Japan, PPP1/VER.A2)

Pac-Gal

Pachifever

Pac-Land (Japan new)

Pac-Land (Japan old)

Pac-Land (Japan older)

Pac-Land (Midway)

Pac-Man (Midway, with speedup hack)

Pac-Mania (Japan)

Pac-Man (Midway, harder)

Pac-Man & Chomp Chomp

Pac & Pal (older)

Pacom Invader

Paddle 2 (bootleg on Block hardware)

Pairs Love

Pairs (Nichibutsu) (Japan 890822)

Pairs Redemption (V1.0, 10/25/94)

Pairs (System Ten) (Japan 890826)

Pang! 3: Kaitou Tachi no Karei na Gogo (Japan 950511)

Pang! 3 (Euro 950511)

Pang (bootleg, set 1)

Pang (bootleg, set 3)

Pang (bootleg, set 2)

Pang Pom's (Mitchell)

Panic Bomber

Paperboy (rev 1)

Paperboy (rev 2)

Paparazzi

Paradise 2 Deluxe

Paradise

Paradise Deluxe

Parodius DA! (Asia)

Parodius DA! (World, set 2)

Parodius DA! (Japan)

Pastel Gal (Japan 851224)

Mahjong Pachinko Monogatari (Japan)

Perfect Billiard (MC-8123, 317-0030)

Puzzle Bobble 2 / Bust-A-Move Again (Neo-Geo)

Puzzle Bobble 2 (Ver 2.2J 1995/07/20)

Puzzle Bobble 2 (Ver 2.2O 1995/07/20)

Bust-A-Move Again (Ver 2.3A 1995/07/31)

Puzzle Bobble 2X (Ver 2.2J 1995/11/11)

Puzzle Bobble 3 (Ver 2.1J 1996/09/27)

Puzzle Bobble 3 (Ver 2.1A 1996/09/27)

Puzzle Bobble 4 (Ver 2.04J 1997/12/19)

Puzzle Bobble 4 (Ver 2.04A 1997/12/19)

Puzzle Bobble / Bust-A-Move (Neo-Geo) (NGM-083)

Puzzle Bobble / Bust-A-Move (Neo-Geo) (bootleg)

Baseball (PlayChoice-10)

Balloon Fight (PlayChoice-10)

Baseball Stars: Be a Champ! (PlayChoice-10)

Contra (PlayChoice-10)

Captain Sky Hawk (PlayChoice-10)

Castlevania (PlayChoice-10)

Double Dribble (PlayChoice-10)

Double Dragon (PlayChoice-10)

Dr. Mario (PlayChoice-10)

Duck Hunt (PlayChoice-10)

Excite Bike (PlayChoice-10)

Uncle Fester's Quest: The Addams Family (PlayChoice-10)

Gauntlet (PlayChoice-10)

Golf (PlayChoice-10)

The Goonies (PlayChoice-10)

Gradius (PlayChoice-10, older)

Gradius (PlayChoice-10)

Hogan's Alley (PlayChoice-10)

Kung Fu (PlayChoice-10)

Mario Bros. (PlayChoice-10)

Mike Tyson's Punch-Out!! (PlayChoice-10)

Mega Man III (PlayChoice-10)

Mario's Open Golf (PlayChoice-10)

Metroid (PlayChoice-10)

Ninja Gaiden Episode II: The Dark Sword of Chaos (PlayChoice-10)

Ninja Gaiden Episode III: The Ancient Ship of Doom (PlayChoice-10)

Ninja Gaiden (PlayChoice-10)

PinBot (PlayChoice-10)

Power Blade (PlayChoice-10)

Pro Wrestling (PlayChoice-10)

Rad Racer II (PlayChoice-10)

R.C. Pro-Am (PlayChoice-10)

Rush'n Attack (PlayChoice-10)

Chip'n Dale: Rescue Rangers (PlayChoice-10)

Solar Jetman (PlayChoice-10)

Super Mario Bros. (PlayChoice-10)

Super Mario Bros. 2 (PlayChoice-10)

Super Mario Bros. 3 (PlayChoice-10)

Super C (PlayChoice-10)

Tecmo Bowl (PlayChoice-10)

Tennis (PlayChoice-10)

Track & Field (PlayChoice-10)

Teenage Mutant Ninja Turtles (PlayChoice-10)

Teenage Mutant Ninja Turtles II: The Arcade Game (PlayChoice-10)

Trojan (PlayChoice-10)

Volley Ball (PlayChoice-10)

Nintendo World Cup (PlayChoice-10)

Pocket Gal (bootleg)

Puzzle Club (Yun Sung, set 1)

Puzzle Club (Yun Sung, set 2)

Power Drift (World, Earlier)

Power Drift (Japan)

Nozokimeguri Mahjong Peep Show (Japan 890404)

Pengo (set 2)

Pengo (set 2 not encrypted)

Pengo (set 3 not encrypted)

Pengo (set 4)

Pengo (bootleg)

Penta

Player's Edge Plus (PP0043) 10's or Better

Player's Edge Plus (PS0022) Red White & Blue Slots

Player's Edge Plus (PS0045) Red White & Blue Slots

Performan (Japan)

Performan (US)

Pesadelo (bootleg of Knightmare on MSX)

Pest Place

Peter Pack-Rat

Pocket Fighter (Japan 970904)

Powered Gear: Strategic Variant Armor Equipment (Japan 941024)

Powered Gear: Strategic Variant Armor Equipment (Japan 940916)

Phantomas (bootleg of Spectar)

Phantom Pays (4VXFC5431, New Zealand)

Phoenix (T.P.N.)

Phoenix (Centuri, set 1)

Phoenix (Centuri, set 2)

Phoenix (Irecsa / G.G.I Corp, set 2)

Phoenix (Taito Japan)

Phoenix (Taito)

Phozon (Japan)

Tetris (Photon System)

Pinbo (set 2)

Pinbo (Strike)

Pipi & Bibis / Whoopee!! (Z80 sound cpu, set 2)

Pipi & Bibis / Whoopee!! (prototype)

Piranha

Piranha (hack)

Piranha (older)

Pirate 2 (061005 World)

Pirate 2 (070126 Russia)

Pirate 2 (bootleg, 070126, banking address hack)

Pirate 2 (090528 Lottery)

Pirate 2 (090730 Entertainment)

Pirate 2 (bootleg, 061005, banking address hack set 1)

Pirate 2 (bootleg, 061005, banking address hack set 2)

Pirate 2 (bootleg, 061005, banking address hack, changed version text set 1)

Pirate 2 (bootleg, 061005, banking address hack, changed version text set 2)

Pirate 2 (bootleg, 061005, banking address hack, changed version text set 3)

Pirate 2 (bootleg, 061005, VIDEO GAME-1 PR01)

Pirate 2 (bootleg, 061005, LOTTOGAME (I))

Pirate 2 (bootleg, 061005, LOTOS PR01)

Pirate Treasure

Pirate Pete

Pitfall II (not encrypted)

Pit Fighter (rev 3)

Pit Fighter (rev 4)

Pit Fighter (rev 5)

Pit Fighter (rev 6)

Pit Fighter (rev 7)

Pit Fighter (bootleg)

Poker De Win

Pocket Gal Deluxe (Euro v3.00, bootleg)

Pleiads (bootleg)

Plotting (World set 2, protected)

Plotting (World set 3, earliest version)