Obakeidoro! (Nintendo Switch)

Released: 2008

Genre: Action

Developer: Free Style

Publisher: Free Style

Obduction (PlayStation 4)

Released: 2008

Genre: Adventure, puzzle

Developer: Cyan Worlds

Publisher: Cyan Worlds

Obelix (Atari 2600)

Released: 1983

Genre: Action

Obitus (Super Nintendo Entertainment System (SNES))

Released: 1994

Developer: Psygnosis

Publisher: Bullet-Proof Software

Obliteracers (PlayStation 4)

Released: 2007

Genre: Vehicular combat

Developer: Space Dust Studios

Publisher: Space Dust Studios

Obliterate (PlayStation 2)

Developer: Phoenix Games

Publisher: Phoenix Games

ObsCure (PlayStation 2)

Developer: Hydravision Entertainment

Publisher: Microids (EU) / Dream Catcher Interactive (NA)

ObsCure (Xbox (Original))

Released: 2005

Genre: Survival Horror

Developer: Hydravision Entertainment

Publisher: DreamCatcher Interactive

Obscure: The Aftermath (PlayStation Portable)

Developer: Hydravision Entertainment

Publisher: Ignition Entertainment

Obscure: The Aftermath / Obscure II PAL (PlayStation 2)

Developer: Hydravision Entertainment

Publisher: Playlogic EntertainmentPAL/Ignition EntertainmentNA