MAME Roms: U
U-boat 65
U.N. Defense Force: Earth Joker
U.N. Squadron
U.S. Championship V'ball
U.S. Classic
U.S. Navy
U.S.A. Football
Uballoon
Uccops
Uccopsar
Uccopsj
Uccopsu
Uchuu Daisakusen: Chocovader Contactee
Uchuu Tokkyuu Medalian
Uchuuai
Uecology
Ufo Senshi Yohko Chan
UFO-X
Ufosensb
Ufosensi
Ufosensib
Ultennis
Ultennisj
Ultimate
Ultimate 11 - The SNK Football Championship / Tokuten Ou - Honoo no Libero, The
Ultimate Arctic Thunder
Ultimate Challenge
Ultimate Ecology
Ultimate Mortal Kombat 3
Ultimate Nudge
Ultimate Tennis
Ultimo
Ultra Balloon
Ultra Invaders
Ultra Maru-hi Mahjong
Ultra Tank
Ultra Toukon Densetsu
Ultra X Weapons / Ultra Keibitai
Ultraman
Ultraman Club - Tatakae! Ultraman Kyoudai!!
Ultramhm
Ultratnk
Ultrax
Umanclub
Umi de Poker / Marine Paradise
Umk3
Umk3r10
Umk3r11
Uncle Fester's Quest: The Addams Family
Uncle Poo
Unclepoo
Undefeat
Under Defeat
Under Fire
Under Siege
Undercover Cops
Undoukai
Undrfire
Undrfirej
Undrfireu
Undrfirj
Undrfiru
Unibox
Union Jackpot
Unique
Universe
UniWar S
Uniwars
Unkch1
Unkch2
Unkch3
Unkch4
Unkmeyco
unknown '008'
unknown 'chsnsn05'
unknown 'Electrocoin' Fruit Machine
unknown 'Electrocoin' Fruit Machine '300615'
unknown 'Electrocoin' Fruit Machines
unknown 'lhs'
unknown 'ncsp0pp'
unknown 'nn_2'
unknown 'nprpopp'
unknown 'nsc15'
unknown 'nsw12'
unknown 'ofs56cp'
unknown 'rm941'
Unknown 'T'
unknown 186 based gambling game
unknown ACE fruits game
unknown Astra 'ACP'
Unknown BMC Poker Game
unknown encrypted poker game
unknown French poker game
Unknown Fruits Game
Unknown H8 Italian Gambling game
Unknown IGS036 CPU game
Unknown italian gambling game
unknown Japanese horse gambling game
unknown Model Racing gun game
unknown MPU4 'BSB 0.3'
unknown MPU4 'CH3 0.1'
unknown MPU4 'CLD 0.2C'
unknown MPU4 'CTP 0.4'
unknown MPU4 'HOT 3.0'
unknown MPU4 'Joker'
unknown MPU4 'STC 0.1'
unknown MPU4 'TTO 1.1'
unknown MPU4 'W Nudge'
unknown MPU4 'ZTP 0.7'
unknown Pac-Man gambling game
unknown pinball game
unknown Scorpion '39211337'
unknown Scorpion 'Unsorted Sound'
unknown Scorpion 1 'Super ?'
Unknown Sidam Poker
Unknown SRU Game
unknown TMS9980 Poker Game
unknown Toptronic pinball game
Untitled Fighter 'BB'
Untoucha
Untouchable
Untouchables
Uo Poko
Uopoko
Uopokoj
Up & Over
Up & Under
Up For Grabs
Up For It
Up Pompay
Up Scope
Up Up and Away
Up Yer Riggin Club
Up Your Alley
Up'n Down
Upndown
Upndownu
Upscope
Upyoural
Urashima
Urashima Mahjong
US AAF Mustang
Us vs. Them
USA Pro Basketball
Usagi
Usagi - Yamashiro Mahjong Hen
Usagui
Usclssic
Usg182
Usg185