NES
8-BIT THIRD-GENERATION HOME VIDEO GAME CONSOLE PRODUCED BY NINTENDO
18 NES GAMES WITH INTIAL O
OBAKE NO Q TAROU - WANWAN PANIC (1986)
OBOCCHAMA-KUN (1991)
OEKA KIDS - ANPANMAN NO HIRAGANA DAISUKI (1991)
OEKA KIDS - ANPANMAN TO OEKAKI SHIYOU!! (1990)
OISHINBO - KYUUKYOKU NO MENU SANBON SHOUBU
OKKOTOSHI PUZZLE - TONJAN!
OLYMPIC IQ
OLYMPUS NO TATAKAI
ONYANKO TOWN (1985)
OPERATION SECRET STORM (1992)
OPERATION WOLF (1989)
ORB-3D (1990)
OSOMATSU-KUN - BACK TO THE ME NO DEPPA NO MAKI
OTAKU NO SEIZA - AN ADVENTURE IN THE OTAKU GALAXY (1991)
OTHELLO (1988)
OUTLANDERS (1987)
OVER HORIZON (1991)
OVERLORD (1993)
18 games on this page