arcade ：Ufo Senshi Yohko Chan (bootleg, not encrypted)

arcade ：Um Jammer Lammy NOW! (Japan, UL1/VER.A)

arcade ：Ultimate Arctic Thunder Update CD ver 1.950 (5/3/04)

arcade ：Ultimate Tennis (v 1.4, Japan)

arcade ：Ultra Invaders

arcade ：Ultra X Weapons / Ultra Keibitai (Gamest review build)

arcade ：Se Gye Hweng Dan Ultra Champion (Korea)

arcade ：Cheng Ba Shi Jie - Chao Shi Kong Guan Jun (Taiwan)

arcade ：Ultimate Mortal Kombat 3 (rev 1.0)

arcade ：Ultimate Mortal Kombat 3 (rev 1.1)

arcade ：The Undoukai (Japan)

arcade ：Under Fire (Japan)

arcade ：Under Fire (US)

arcade ：Unicorn Dreaming (0100813V, NSW/ACT)

arcade ：Unicorn Dreaming (0101228V, New Zealand)

arcade ：Unicorn Dreaming (BHG1584, US)

arcade ：UniWar S (bootleg)

arcade ：unknown AnyWorks / Sega medal game BIOS

arcade ：New Cherry Gold '99 (bootleg of Super Cherry Master) (set 1)

arcade ：Super Cherry Gold (bootleg of Super Cherry Master)

arcade ：New Cherry Gold '99 (bootleg of Super Cherry Master) (set 2)

arcade ：Grand Cherry Master (bootleg of Super Cherry Master)

arcade ：unknown Cointek game

arcade ：unknown game on FR004 hardware (set 1)

arcade ：unknown game on FR004 hardware (set 2)

arcade ：unknown game on FR004 hardware (set 3)

arcade ：unknown game on FR004 hardware (set 4)

arcade ：unknown game on FR009 hardware

arcade ：unknown Konami medal game (game code GS662)

arcade ：unknown LJF Corporation poker game

arcade ：unknown 'Pac-Man' gambling game (set 1)

arcade ：Pucman

arcade ：unknown 'Pac-Man' gambling game (set 2)

arcade ：Coco Louco

arcade ：unknown 'Pac Man with cars' gambling game

arcade ：unknown PMC game

arcade ：unknown 1980 poker game

arcade ：200 in 1 Retro Arcade

arcade ：unknown 'Space Invaders' gambling game (encrypted, set 1)

arcade ：unknown 'Space Invaders' gambling game (encrypted, set 2)

arcade ：unknown 'Space Invaders' gambling game (unencrypted)

arcade ：unknown SMK game

arcade ：unknown Top game

arcade ：unknown game on TrueSys hardware

arcade ：unknown Zilec game on Blue Print hardware

arcade ：UNO the Medal

arcade ：Untouchable (Ver. 2.10)

arcade ：Puzzle Uo Poko (Japan)

arcade ：Up'n Down (not encrypted)

arcade ：Up Your Alley

arcade ：Electronic 2-Player Football

arcade ：Usagi (V2.02J 2001/10/02 12:41:19)

arcade ：Usagi: Yasei no Topai Online (v2.04J)

arcade ：Usagi - Yamashiro Mahjong Hen (Japan) (GDL-0022)

arcade ：Games V18.2

arcade ：Games V18.5

arcade ：Games V18.7C

arcade ：Games V21.1C

arcade ：Games V25.1

arcade ：Super Ten V8.2