List of video games
Operation Hardcore
Dec 28, 2016
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No ratings
Operation Hardcore is an action-packed 2D side-scrolling shooter inspired by classic twitchy action games of yesteryear, but with modern touches and conveniences.
Mac
Nintendo Switch
PC (Microsoft Windows)
Operation Market Garden: Drive on Arnhem, September 1944
Jun 1, 1985
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No ratings
Simulation of the largest daytime airborne operation during WWII on September 17, 1944.
Operation: Outbreak
Dec 20, 2025
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No ratings
Your squad's vehicle exploded during a patrol, and you're the only survivor. The enemy is unusual this time. A virus has turned the city into a warzone of the undead. …
PC (Microsoft Windows)
OpsCam: Body Cam Shooter
Aug 30, 2025
·
No ratings
Equip weapons and dominate every fight.
Nintendo Switch
Orbals
Aug 4, 2021
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No ratings
Orbals is a fast-paced, rolling adventure puzzle game with wonderful graphics and sound. Quickly solve puzzles to master the Mojometer, find new Orbals characters and unlock special abilities.
Orbit.Industries
Apr 21, 2022
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No ratings
Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. Explore, …
Linux
Nintendo Switch
PC (Microsoft Windows)
PlayStation 4
PlayStation 5
Xbox One
Xbox Series X|S
+4 more
Orbital Strike VR
Jan 31, 2023
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No ratings
Experience thrilling fleet battles through zero-g orbital combat with support for drop-in Co-op Multiplayer. Make good tactical decisions to build and direct fire support assets and take back humanity's skies …
SteamVR
Orbital X
Aug 18, 2016
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No ratings
An epic journey through the endless space!
Linux
Mac
PC (Microsoft Windows)
Orcs Must Die! 2: Are We There Yeti?
Oct 31, 2012
· DLC
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No ratings
Get your mittens out of storage because the War Mage and Sorceress are headed to protect the fortresses of the great white north! Defend the new Ice Cavern fortresses against …
PC (Microsoft Windows)
Order of Battle: U.S. Marines
Apr 7, 2016
· DLC
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No ratings
Order of Battle: U.S. Marines puts players in control of the elite U.S. military branch which proved essential in the Allied victory over Japan. This new expansion follows the story …
Mac
PC (Microsoft Windows)
OrePlant
Dec 16, 2025
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No ratings
OrePlant is an idle simulation game where you grow minerals on your farm! Fish, cook, and decorate while exploring a fantasy world centered around the legendary World Tree. Join your …
PC (Microsoft Windows)
Orebound
Oct 24, 2024
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No ratings
Journey on a quest to find the Emberstone. Lost in the depths of time. The king has tasked you to find it buried in the mountains. Dig deep and automate …
PC (Microsoft Windows)
Orix!
May 29, 2018
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No ratings
Orix! is a puzzle game - where you need to find the right path and get to the yellow cube.
PC (Microsoft Windows)
Ortharion Project
Dec 23, 2020
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No ratings
Come discover the world of Ortharion! Improve your character by killing your opponents or discovering many secrets. To finally take control of the region!
PC (Microsoft Windows)
Orthoiso
Jun 16, 2019
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No ratings
A platformer puzzle game about optical illusion.
Mac
PC (Microsoft Windows)
Osiris Quest
May 13, 2025
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No ratings
Play as Horus in Osiris Quest, a retro-inspired 2D platformer set in mythological Egypt. Recover Osiris’s scattered remains and defeat the evil Seth to reclaim the throne. With pixel art, …
Osomatsu-san: Matsumatsuri!
Dec 22, 2016
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No ratings
Help one of the sextuplets rise to popularity as you win more minigames. The more you win, the more illustrations, voice clips, and backgrounds you can unlock. You can then …
Nintendo 3DS
Otoca ♥ Doll
Mar 13, 2015
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No ratings
An arcade rhythm game where magical idols dance to gain energy to battle rival idols. It uses a trading card system similar to Oreca Battle (and also shares the same …
Arcade