Okaeri! Chibi-Robo! Happy Richie Oosouji

0 Action - Adventure | 1 player | 2009

Okamiden: Chisaki Taiyou

0 Action - Adventure | 1 player | 2010

Okamiden

0 Action - Adventure | 1 player | 2011

Oishinbo: Kyukyoku no Menu 3bon Syoubu

0 Adventure | 1 player | 1989

Ooze: Creepy Nites

0 Adventure - Text-based | 1 player | 1989

Oregon Trail for Windows

0 Adventure - Simulation - Edutainment | 1 player | 1996

Once Upon a Forest

0 Adventure | 1 player | 1995

Once and Future

0 Adventure - Text-based | 1 player | 1988

Omnicron Conspiracy

0 Adventure | 1 player | 1989

Oo-Topos

0 Adventure - Text-based | 1 player | 1987

Once Upon A Time: Abracadabra

0 Action - Adventure - Edutainment | 1 player | 1991

Once Upon A Time: Little Red Riding Hood

0 Adventure - Edutainment | 1 player | 1991

Once Upon A Time: Baba Yaga

0 Adventure - Edutainment | 1 player | 1991

Operation: Eco-Nightmare

0 Adventure - Edutainment | 1 player | 1997

Ore! Tomba

0 Action - Adventure - Platformer | 1 player | 1998

1 O.D.T.: Escape... Or Die Trying (Demo)

0 Action - Adventure - RPG | 1 player | 1998

Orion Burger

1

4 /5

0 Adventure | 1 player | 1996

Oblatchno, vozmojny osadki v vide frikadelek

0 Action - Adventure | 1 player | 2009

Ore wa Shoujo Mangaka

1

5 /5

0 Adventure - Visual novel | 1 player | 2012

Once Upon A Timeline

0 Adventure | 1 player | 2015

Onegai Monsters

0 Adventure - RPG | 1 player | 1999

Oishinbo: Kyukyoku no Menu 3bon Syoubu

0 Adventure | 1 player | 1989

Operation Odin

0 Adventure - Reflexion | 1 player | 1996

Olympus no Tatakai

0 Action - Adventure | 1 player | 1988

Ookami

0 Action - Adventure | 1 player | 2006

Okami

3

4 /5

0 Action - Adventure | 1 player | 2006

Onimusha 3

0 Action - Adventure | 1 player | 2004

Onimusha 2

1

5 /5

0 Action - Adventure | 1 player | 2002

Out of this World

1

4 /5

0 Action - Adventure | 1 player | 1992

Outer World

0 Action - Adventure | 1 player | 1992

Out of this World

0 Action - Adventure | 1 player | 1992

Onimusha 3: Demon Siege (Undub)

0 Action - Adventure | 1 player | 2004

Opera Fatal

0 Adventure - Edutainment - Music | 1 player | 1996

Oscar the Balloonist Drops into the Countryside

0 Edutainment - Adventure | 1 player | 2001

Oscar the Balloonist and the Secrets of the Forest

0 Edutainment - Adventure | 1 player | 2000

Oscar the Balloonist Flies into the Mountains

0 Edutainment - Adventure | 1 player | 2001

Oscar the Balloonist Dives into the Lake

0 Edutainment - Adventure | 1 player | 2000

3 Oregon Trail II: 25th Anniversary Limited Edition

0 Adventure - Simulation - Edutainment | 1 player | 1996

Oregon Trail II

0 Adventure - Simulation - Edutainment | 1 player | 1995