Northgard is a video game of the strategy (turn-based strategy) genre, created by the company Shiro Games in 2017.
Nyoki Nyoki is a video game of the mental agility (puzzle) genre, developed by the company Compile-O in 2016.
Obscure is a video game franchise of the adventure (survival horror) genre, created by the company Hidravision in 2005.
Octocopter is a video game of the action genre, created by the company TACS Games in 2016.
OGame is a video game of the strategy (massively multiplayer online real-time strategy MMORTS) genre, developed by the company Gameforge in 2002.
Ogre Battle is a video game franchise of the role-playing game rpg (tactical) genre, created by the company Quest Corporation in 1999.
Ōkami is a video game of the adventure (action) genre, created by the company Clover Studio in 2006.
OlliOlli2: Welcome to Olliwood is a video game of the sports (skating) genre, created by the company Roll7 in 2015.
Olympia Rising is a video game of the action (platforms) genre, created by the company Paleozoic in 2016.
Omori is a video game of the adventure (survival horror) genre, developed by the company Omocat in 2017.