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.	Template:Vgy	Psygnosis	Psygnosis
O.R.B: Off-World Resource Base	Template:Vgy	Strategy First	Strategy First, Mindscape
Oasis	Template:Vgy	Mind Control Software	PlayFirst
ObsCure	Template:Vgy	Hydravision Entertainment	DreamCatcher Interactive
ObsCure II	Template:Vgy	Hydravision Entertainment	Playlogic Entertainment
Obsidian	Template:Vgy	Rocket Science Games	SegaSoft
Oddballz	Template:Vgy	PF Magic	PF Magic
Oddworld: Abe's Exoddus	Template:Vgy	Oddworld Inhabitants	GT Interactive
Oddworld: Abe's Oddysee	Template:Vgy	Oddworld Inhabitants	GT Interactive
Odell Down Under	Template:Vgy	MECC	SoftKey
Odyssey: The Search for Ulysses	Template:Vgy	Cryo Interactive	Cryo Interactive
The Office	Template:Vgy	MumboJumbo	NBC
Oh No! More Lemmings	Template:Vgy	DMA Design	Psygnosis
Omega	Template:Vgy
The Omega Stone	Template:Vgy	Omni Creative	DreamCatcher Interactive
Omikron: The Nomad Soul	Template:Vgy	Quantic Dream	Eidos Interactive
One Must Fall: Battlegrounds	Template:Vgy	Diversions Entertainment	Diversions Publishing
One Piece: Pirate Warriors 3	Template:Vgy	Omega Force	Bandai Namco Entertainment
One Piece: Burning Blood	Template:Vgy	Spike Chunsoft	Bandai Namco Entertainment
onEscapee	Template:Vgy	Invictus Games, Ltd.	Sadeness Software
Oni	Template:Vgy	Bungie	Gathering of Developers
Onimusha 3: Demon Siege	Template:Vgy	Capcom	Capcom
Onimusha: Warlords	Template:Vgy	Capcom	Capcom
Online Bomberman	Template:Vgy	Hudson Soft, MGAME Corp.	Wizgate, Fullerton
Onlineworms	Template:Vgy	Wizgate	Wizgate
Only If	Template:Vgy	Creability	Creability
Oolite	Template:Vgy	Giles Williams
Open Kart	Template:Vgy	Microids	Microids
OpenArena	Template:Vgy	OpenArena team
Operation Flashpoint: Cold War Crisis	Template:Vgy	Bohemia Interactive Studio	Codemasters
Operation Flashpoint: Dragon Rising	Template:Vgy	Codemasters	Codemasters
Operation: Blockade	Template:Vgy	Screaming Games	Infogrames
Operation: Matriarchy	Template:Vgy	MADIA Entertainment	Buka Entertainment
Operation Neptune	Template:Vgy	The Learning Company	The Learning Company
The Operative: No One Lives Forever	Template:Vgy	Monolith Productions	Fox Interactive
Oppai Slider 2	Template:Vgy	Illusion	Illusion
The Orange Box	Template:Vgy	Valve Corporation	Valve Corporation
Orcs Must Die!	Template:Vgy	Robot Entertainment
Orbiter	Template:Vgy	Martin Schweiger
Order of War	Template:Vgy	Wargaming.net	Square Enix
The Oregon Trail	Template:Vgy	MECC	Brøderbund
Oretachi ni Tsubasa wa Nai	Template:Vgy	Navel	Navel
Original War	Template:Vgy	Altar Interactive	Virgin Interactive
The Orion Conspiracy	Template:Vgy	Divide By Zero	Domark
Osmos	Template:Vgy	Hemisphere Games	Hemisphere Games
Ostrich Island	Template:Vgy	MeDungeon, Ltd.	MeDungeon, Ltd.
OttoMatic	Template:Vgy	Pangea Software	Aspyr Media
Out of the Park Baseball	Template:Vgy	OOTP Developments	OOTP Developments
Outcast	Template:Vgy	Appeal	Infogrames
The Outforce	Template:Vgy	O3 Games	Pan Interactive, Strategy First
Outlaw Golf	Template:Vgy	Hypnotix	Global Star Software
Outlaws	Template:Vgy	LucasArts	LucasArts
Outlive	Template:Vgy	Continuum Entertainment	Continuum Entertainment, Take-Two Interactive
Outpost	Template:Vgy	Sierra On-Line	Sierra On-Line
Outpost 2	Template:Vgy	Dynamix	Sierra On-Line
Outpost Kaloki	Template:Vgy	NinjaBee	Microsoft Game Studios
OutRun 2006: Coast 2 Coast	Template:Vgy	Sumo Digital	Sega
Outwars	Template:Vgy	SingleTrac	Microsoft
Over the Hedge	Template:Vgy	Edge of Reality	Activision
Overboard!	Template:Vgy	Psygnosis	Psygnosis
Overclocked: A History of Violence	Template:Vgy	House of Tales	Lighthouse Interactive
Overlord	Template:Vgy	Triumph Studios	Codemasters
Overlord II	Template:Vgy	Triumph Studios	Codemasters
Overlord: Raising Hell	Template:Vgy	Triumph Studios	Codemasters