| Title |
Year |
Genre |
| Oboro Muramasa |
2009 |
Action |
| Obscure - The Aftermath |
2008 |
Adventure |
| Obscure 2 |
2008 |
Adventure |
| Ocean Commander |
2009 |
Shooter |
| Octomania |
2008 |
Puzzle |
| Oekaki Logic |
2008 |
Puzzle |
| Off Road |
2008 |
Racing |
| Offroad Extreme! |
2008 |
Racing |
| Offroad Extreme! Special Edition |
2007 |
Racing |
| Offshore Tycoon |
2009 |
Arcade |
| Okami |
2008 |
Adventure |
| Okiraku Air Hockey Wii |
2008 |
Arcade |
| Okiraku Daifugou Wii - Honkaku Wi-Fi Net Taisen |
2009 |
Cards |
| Okiraku Kart Wii |
2009 |
Racing |
| Okiraku Ping Pong Wii |
2008 |
Sports |
| Okiraku Putter Golf Wii |
2009 |
Golf |
| Okiraku Slot Car Racing Wii |
2009 |
Racing |
| Okiraku Sugoroku Wii |
2009 |
Board game |
| Okiraku Tennis Wii |
2009 |
Tennis |
| Once Upon A Time |
2010 |
Educational |
| One Piece - Unlimited Adventure |
2007 |
Action |
| One Piece Unlimited Cruise 1 - The Treasure Beneath the Waves |
2009 |
Adventure |
| One Piece Unlimited Cruise 2 - Awakening of a Hero |
2009 |
Action |
| Onechanbara - Bikini Zombie Slayers |
2009 |
Action |
| Onechanbara Revolution |
2008 |
Action |
| Onitore - Kyoukan wa Onigunsou |
2009 |
Arcade |
| Onslaught |
2009 |
FPS |
| Oops! Prank Party |
2010 |
Arcade |
| Open Season |
2006 |
Adventure |
| Opoona |
2008 |
RPG |
| Order Up! |
2008 |
Arcade |
| Order!! |
2009 |
Strategy |
| Oregon Trail, The |
2011 |
Adventure |
| Osouji Sentai Clean Keeper |
2008 |
Adventure |
| Osu! Exercise Doujou |
2010 |
Sports |
| Othello |
2009 |
Puzzle |
| Ougon no Kizuna |
2009 |
Adventure |
| Our House Party |
2009 |
Arcade |
| Out of Galaxy - Gin no Koushika |
2009 |
Adventure |
| Outdoor Action Double Pack |
2010 |
Compilation |
| Overflow |
2011 |
Arcade |
| Overlord - Dark Legend |
2009 |
Adventure |
| Overturn |
2009 |
Action |
| Oyako de Asobo - Miffy no Omocha Bako |
2010 |
Educational |
