Video games starting with the letter O

A comprehensive list of every single video game ever released or planned, presented as a sortable list with statistics allowing you to easily browse through the most popular or best rated games. To view games for a specific platform, simply open up the platform page and scroll down to the game list.
ALL A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # ! Newest Hottest Top rated
  Name Platforms Released Publisher Developer Genres Modes Rating Views

Operation COBRA

          N/A 4

Operation Chromite 1950 VR

      Simulator, Indie Single player N/A 55

Operation Carnage

          N/A 3

Operation C

PC, Game Boy Mattel, Palcom, Ultra Games, Konami Konami Shooter, Platform, Simulator, Strategy Single player 4 570

Operation Breakout

PC     Adventure Multiplayer, Massively Multiplayer Online (MMO) N/A 36

Operation Body Count

DOS U.S. Gold, Capstone Software Capstone Software Shooter Single player N/A 76

Operation Blockade

          N/A 3

Operation Biotech

PC Enjoy Games Uncle Frost Team Adventure, Indie Single player N/A 146

Operation Babel: New Tokyo Legacy

PC, Vita 5pb., NIS America Experience Inc. Role-playing (RPG), Adventure Single player N/A 240

Operation Armstrong

          N/A 42

Operation Area 51

    David D. Nelson Shooter, Adventure Single player N/A 55

Operation Apocalypse

Apple][ SSI (Strategic Simulations, Inc.) SSI (Strategic Simulations, Inc.) Turn-based strategy (TBS) Single player N/A 3

Operation Apex

PC     Simulator, Adventure, Indie Single player N/A 57

Operation Air Assault 2

PS2     Simulator   N/A 33

Operation Air Assault

      Simulator   N/A 3

Operation Abyss: New Tokyo Legacy Limited Edition

          N/A 3

Operation Abyss: New Tokyo Legacy Launch Edition

          N/A 3

Operation Abyss: New Tokyo Legacy

PC, Vita 5pb., NIS America Experience Inc. Role-playing (RPG), Adventure Single player N/A 260

Operation 7

PC     Shooter   N/A 2

Operation / Mouse Trap / Simon

      Puzzle   N/A 4

Operation

          N/A 1

Operate Now: Hospital

iOS     Simulator, Strategy   N/A 52

Opera Web Browser

Wii, NDS Nintendo       4 133

Opera Super Sports

DOS Opera Soft Opera Soft Sport Single player N/A 130

Opera Omnia

      Puzzle   N/A 1

Opera Fatal

          N/A 0

OpenXcom

Linux, PC, Mac         N/A 44

OpenTyrian

          N/A 8

OpenTTD

Linux, PC, Mac     Real Time Strategy (RTS), Simulator, Strategy Single player, Multiplayer, Co-operative N/A 53

OpenSpades

          N/A 1

OpenRCT2

          N/A 49

OpenRA

Linux, PC     Real Time Strategy (RTS), Strategy Single player, Multiplayer N/A 68

OpenQuest

          N/A 4

OpenMW

Linux, PC, Mac OpenMW OpenMW Role-playing (RPG), Adventure Single player N/A 242

OpenMinded

    Feeling Terrible Platform, Adventure, Indie Single player N/A 53

Opening Weekend - Varmint Season

PC   ManMachineGames Adventure Single player N/A 96

Opening Up

      Adventure Single player N/A 44

Opening Night

      Simulator, Sport   N/A 4

OpenGeneral

      Strategy   N/A 2

OpenClonk

      Strategy   N/A 2

Opencast Mining

      Strategy, Indie Single player N/A 56

OpenBve

PC     Simulator   N/A 5

Openbor Beats of Rage

      Fighting   N/A 87

OpenArena

          N/A 3

OpenApoc

Linux, PC, Mac         N/A 51

Open Wheel Manager

      Racing, Sport, Strategy Single player N/A 61

Open Up Shut Up

          N/A 1

Open Space 2D

      Role-playing (RPG), Indie Single player N/A 26

Open Sorcery: Sea++

Linux, PC, Mac Open Sorcery Games Abigail Corfman Role-playing (RPG), Adventure, Indie Single player N/A 188

Open Sorcery

Linux, PC, Mac, iOS Open Sorcery Games Open Sorcery Games Role-playing (RPG), Adventure, Indie Single player N/A 83

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    Skelletonike @ Skelletonike: Never heard about it tbh. Guess it has something to do with the DS?