Obliterator
 PSG
|
Melbourne House,New Frontier |
Dro Soft |
1989 |
Oceano
PSG
|
EgoTrip |
jitursan |
2020 |
Oceanus - God of the Ocean
(大洋の神・オケアノス)
PSG
|
Nihon Maikon Gakuin |
Nihon Maikon Gakuin |
1983 |
Oh No!
PSG
|
The Bytebusters |
Eaglesoft |
1985 |
Oil's Well
(オイルズ・ウェル)
PSG
|
Sierra On Line |
Comptiq, Eaglesoft, Al Alamiah, Philips Italy |
1984 |
OL.
 PSG
|
ESP SOFT |
MSX Resource Center |
2020 |
Operation Havoc
PSG
|
Traposoft |
|
1990 |
Operation Wolf
PSG
|
Ocean |
Ocean, Erbe Software |
1988 |
Operation Wolf
PSG 
|
Toybox |
MSXdev, MSX Cartridge Shop |
2006 |
Operatión Brazil World Cup
PSG
|
Panochi Games |
|
2014 |
Osero II
PSG
|
Emutsu no Tomo |
Emutsu no Tomo |
1991 |
Osotos
PSG
|
Inufuto |
Inufuto |
2024 |
Osotos
PSG
|
Inufuto |
Inufuto |
2024 |
Ostrich
(オストリッチ)
PSG
|
Colpax |
Colpax, Dempa Publications, Inc. |
1985 |
OSTS 7th Anniversary Disk
(OSTS 7周年ディスク)
|
OSTS |
OSTS |
1997 |
Out Run
(アウトラン)
PSG
|
SEGA |
Pony Canyon |
1988 |
Pac-Land
PSG
|
Grandslam Entertainments |
Grandslam Entertainments, MCM Software |
1988 |
Pac-Mania
(パックマニア)
PSG
|
NAMCO |
NAMCO |
1989 |
Paccy
PSG
|
GBSOFt |
GBSOFt |
1993 |
Pacman
PSG
|
Volker Becker |
|
1987 |
Pai Panic
(パイパニック)
PSG
|
ASCII Corporation |
ASCII Corporation, National |
1983 |
Pairs
(ペアーズ)
PSG
|
ASCII Corporation |
ASCII Corporation, Sharp-Epcom, Qnix, Zemina, Panasonic, Philips Spain, National, Canon |
1983 |
Pampas & Selene - The Maze of Demons
PSG 
|
unepic_fran |
unepic_fran |
2023 |
Panther
PSG
|
IREM |
IREM |
1986 |
Parachuteless Joe
PSG
|
Paxanga Soft |
MSXdev |
2005 |
