Index of Windows games (O)

This is an index of Microsoft Windows games.

This list has been split into multiple pages. Please use the Table of Contents to browse it.

Title Released Developer Publisher
O.D.T. 1998 Psygnosis Psygnosis
O.R.B: Off-World Resource Base 2002 Strategy First Strategy First, Mindscape
Oasis 2005 Mind Control Software PlayFirst
ObsCure 2004 Hydravision Entertainment DreamCatcher Interactive
ObsCure II 2008 Hydravision Entertainment Playlogic Entertainment
Obsidian 1996 Rocket Science Games SegaSoft
Oddballz 1996 PF Magic PF Magic
Oddworld: Abe's Exoddus 1998 Oddworld Inhabitants GT Interactive
Oddworld: Abe's Oddysee 1997 Oddworld Inhabitants GT Interactive
Odell Down Under 1995 MECC SoftKey
Odyssey: The Search for Ulysses 2000 Cryo Interactive Cryo Interactive
The Office 2009 MumboJumbo NBC
Oh No! More Lemmings 1991 DMA Design Psygnosis
Omega 2003
The Omega Stone 2003 Omni Creative DreamCatcher Interactive
Omikron: The Nomad Soul 1999 Quantic Dream Eidos Interactive
One Must Fall: Battlegrounds 2003 Diversions Entertainment Diversions Publishing
onEscapee 1997 Invictus Games, Ltd. Sadeness Software
Oni 2001 Bungie Gathering of Developers
Onimusha 3: Demon Siege 2004 Capcom Capcom
Onimusha: Warlords 2001 Capcom Capcom
Online Bomberman 2004 Hudson Soft, MGAME Corp. Wizgate, Fullerton
Onlineworms 2001 Wizgate Wizgate
Only If 2014 Creability Creability
Oolite 2006 Giles Williams
Open Kart 2001 Microids Microids
OpenArena 2005 OpenArena team
Operation Flashpoint: Cold War Crisis 2001 Bohemia Interactive Studio Codemasters
Operation Flashpoint: Dragon Rising 2009 Codemasters Codemasters
Operation: Blockade 2002 Screaming Games Infogrames
Operation: Matriarchy 2005 MADIA Entertainment Buka Entertainment
Operation Neptune 1995 The Learning Company The Learning Company
The Operative: No One Lives Forever 2000 Monolith Productions Fox Interactive
Oppai Slider 2 2005 Illusion Illusion
The Orange Box 2007 Valve Corporation Valve Corporation
Orcs Must Die! 2011 Robot Entertainment
Orbiter 2000 Martin Schweiger
Order of War 2009 Wargaming.net Square Enix
The Oregon Trail 1993 MECC Brøderbund
Oretachi ni Tsubasa wa Nai 2009 Navel Navel
Original War 2001 Altar Interactive Virgin Interactive
The Orion Conspiracy 1995 Divide By Zero Domark
Osmos 2009 Hemisphere Games Hemisphere Games
Ostrich Island 2015 MeDungeon, Ltd. MeDungeon, Ltd.
OttoMatic 2001 Pangea Software Aspyr Media
Out of the Park Baseball 2008 OOTP Developments OOTP Developments
Outcast 1999 Appeal Infogrames
The Outforce 2000 O3 Games Pan Interactive, Strategy First
Outlaw Golf 2002 Hypnotix Global Star Software
Outlaws 1997 LucasArts LucasArts
Outlive 2001 Continuum Entertainment Continuum Entertainment, Take-Two Interactive
Outpost 1994 Sierra On-Line Sierra On-Line
Outpost 2 1997 Dynamix Sierra On-Line
Outpost Kaloki 2004 NinjaBee Microsoft Game Studios
OutRun 2006: Coast 2 Coast 2006 Sumo Digital Sega
Outwars 1998 SingleTrac Microsoft
Over the Hedge 2006 Edge of Reality Activision
Overboard! 1997 Psygnosis Psygnosis
Overclocked: A History of Violence 2008 House of Tales Lighthouse Interactive
Overlord 2007 Triumph Studios Codemasters
Overlord II 2009 Triumph Studios Codemasters
Overlord: Raising Hell 2008 Triumph Studios Codemasters