List of video games
OP: Adventure of Pirates
OP: Voyage Chronicles
OPA: Super Janken
Dec 12, 2025
·
No ratings
A reimagining of the classic Rock-Paper-Scissors to make it more competitive and engaging. Collect the cards and boost your score by facing increasingly stronger opponents.
PC (Microsoft Windows)
OPG: Clan Wars
Jul 18, 2025
·
No ratings
Clan Wars is a severe first-person shooter with survival elements in the open world and in some limited locations, primarily oriented on online multiplayer game, and with the presence of …
PC (Microsoft Windows)
ORB
Nov 11, 2002
·
No ratings
Millennia Ago, an empire spanning the galaxy collapsed after a long and brutal war. In the Aldus system, two orphaned races slowly evolved on two separate planets. Both races believed …
PC (Microsoft Windows)
ORE x TRACTOR
TBA
·
No ratings
ORE x TRACTOR is a short, incremental game about demolishing space rocks with a variety of weaponry.
PC (Microsoft Windows)
ORM
TBA
·
No ratings
Journey through a dark world, as a young woman fights to break free from a curse, that threatens to forever trap her in the world of the supernatural killer - …
OS95 Plus!
Dec 31, 2026
·
No ratings
OS95 Plus! is the newest first person puzzle adventure game from Gev Creates. You're stuck in a mysterious facility and are forced to indefinitely partake in software testing. You must …
Linux
PC (Microsoft Windows)
OS: Memories
Feb 9, 2022
·
No ratings
OS: Memories is a short and engaging storyline about the everyday life of a game developer. It offers an immersive experience through an old computer interface, allowing players to relive …
PC (Microsoft Windows)
OS:Memories
Feb 1, 2022
·
No ratings
You were just the owner of an office, but something piqued your curiousity. Understand what happened to Andyby browsing through his most personal archives and memories. OS:Memories is a short …
SteamVR
OTurret
Nov 3, 2023
·
No ratings
OTurret - is an action tower defense game with elements of engineering and survival where you play as a brave frog defending itself against giant insects. Build various defensive structures, …
PC (Microsoft Windows)
OVR Dynamic Resolution
Oct 16, 2024
·
No ratings
OVR Dynamic Resolution is a lightweight OpenVR app that dynamically adjusts your HMD's resolution depending on your GPU frametime, CPU frametime and VRAM in order to maintain your target FPS …
SteamVR
OWRC: Open World Racing
OX Logic Puzzle 1000!
Oct 23, 2019
·
No ratings
Extreme logical puzzle playing with 〇 and × Simple but addictive! The Stick-out of brain training puzzle playing only with 〇 and ×! Simple logical puzzle with easy rules, filling …
Nintendo Switch
Oak Adventure the Maze
Dec 8, 2022
·
No ratings
You are Oak a Man From Another Dimension Who are Summoned For Saving This Crumbling World by Adventuring and Solving Mysteries Through Labyrinths.
PC (Microsoft Windows)
Oak Defenders
Oak Defenders
TBA
·
No ratings
You play as Gobby the tree goblin. You are endowed with the position of the almighty Oak Defender. You must protect the mighty enchanted oak from the surrounding forest creatures. …
Oak Hill
Jun 5, 2022
·
No ratings
In this new short 2D adventure you play as Theo, a dog! After dying, you find yourself in Oak Hill, the dimension between life and death. You will have to …
Mac
PC (Microsoft Windows)
Oakbound Quest
Nov 18, 2025
·
No ratings
Embark on a mystical journey through an ancient forest in this thrilling 2D platformer. Play as a fearless warrior on a sacred mission to recover the lost oaks and restore …
PC (Microsoft Windows)
Xbox One
Xbox Series X|S
Oakenfold
Nov 17, 2022
·
No ratings
Oakenfold is a clever turn-based strategy roguelike, but with a twist! The TimeScrubber lets you rewind time and plan out your ideal path to victory. Outsmart the Biocides wrecking our …
PC (Microsoft Windows)
Oakley's World
TBA
·
No ratings
Oakley's World is, on the surface, a virtual pet game demo where you play mini-games to look after Oakley. As things are played, though, there's a sense that something else, …
Oasis
Nov 24, 2024
·
No ratings
Oasis is a relaxed environmental strategy game, where players transform the barren sandy land into a prosperous and balanced ecosystem by planting various plants, providing living spaces for various organisms, …
PC (Microsoft Windows)
Oasis
Apr 12, 2005
·
No ratings
Oasis is a strategy/puzzle game depicting the journey of an Egyptian prince to unite the fragmented kingdoms of his father's domain. Players explore the sorcerous fog that has descended on …
PC (Microsoft Windows)
Oasis
Jul 12, 2024
·
No ratings
This is a game about thoughts and the need to stop a little bit.
PC (Microsoft Windows)
Web Browser
Oasis Blitz
TBA
·
No ratings
Oasis Blitz is a third person driller! Speed through floating islands, using your drill to dive down into terrain and then burst back out. Shred down slopes on your sandboard, …
PC (Microsoft Windows)
Oasis Defense
Mar 17, 2020
·
No ratings
Oasis Defense is a minimalist tower defense game with free and changeable strategies. You will plant trees to fight against the ghost army and protect your oasis. Here, every game …
PC (Microsoft Windows)
Oasis Invasion
Dec 6, 2025
·
No ratings
Robots have attacked the flying city! But the shield protecting the city is not infinite. Take control of the big cannon defending the city, get the highest score, and repel …
PlayStation 4
PlayStation 5
Oasis Road
Feb 25, 1999
·
No ratings
Oasis Road is a game in which the player controls a group of kids that lives in a future world that is all in the desert, They will have to …
PlayStation
PlayStation 3
PlayStation Portable
Oasis Shooting Ops
Jul 12, 2019
·
No ratings
Top-down action game, in which you'll have to fight off waves of different enemies. In this hell of a battle you won't be able to solely rely on your weapons. …
PC (Microsoft Windows)
Oasis VR
Dec 12, 2019
·
No ratings
Oasis is an amazing virtual environment where you can make new friends around the world! You can chat with them, play poker, go bowling, or even arrange a home party …
SteamVR
Oasis the Great
TBA
·
No ratings
Oasis the Great is an online multi-player physics based sandbox game that have infinite possibilities.
Oasis: Dark Forest
Dec 23, 2021
·
No ratings
Darkness rules the land. Defend your holy tree. Plant trees to defeat the ghost army. Explore and collect resources in a randomly generated forest world. Upgrade your technology tree. You …
PC (Microsoft Windows)
Oasis: Tokyo
Nov 3, 2023
·
No ratings
Oasis: Tokyo is an FPS with a focus on inventory management that has roguelite elements. Complete procedurally generated missions in a shady underworld.
PC (Microsoft Windows)
Oatboy vs. Slime Mold
May 28, 2016
·
No ratings
Oatboy vs. Slime Mold is an attempt at making a fast-paced action game with a unique concept and original game play that would fit in with late-70's/Early-80's Arcade games.
Linux
PC (Microsoft Windows)
Oath
TBA
·
No ratings
Oath is a new free-to-play open world action combat, sandbox MMORPG from Ready-Up Studios built with the powerful Unreal Engine 4 and SpatialOS! It features action-based combat with many classes …
PC (Microsoft Windows)
Oath
Jan 8, 2021
·
No ratings
Take the Oath, overcome the Trials, and discover the truth of the Heart in this original indie RPG.
PC (Microsoft Windows)
Oath of Genesis
Mar 12, 2015
·
No ratings
The game primarily focuses on Genesis, who is assigned to protect the village named TimberShade from Wolves. The game's story-line takes the player from the war between the Wolves and …
Linux
Mac
PC (Microsoft Windows)
Oath of Miko
Oct 8, 2022
·
No ratings
The Oath of Miko is a round based game of light war chess based on the combination of war chess and strategic management. Based on the battle playing method of …
PC (Microsoft Windows)
Oath of the Necromancer
TBA
·
No ratings
Oath of the Necromancer is a rogue-like & bullet-heaven mix; survive by raising hordes of skeletons to fight alongside you against the many foes of ancient Egypt and Greece. In …
PC (Microsoft Windows)
Web Browser
Oath: There is a You That Remains
Jun 25, 2025
· DLC
·
No ratings
DLC expansion to vai5000's game oath, a companion to her 2025 album.
Linux
Mac
PC (Microsoft Windows)
Oathborn: The Chronicle of Ruin
TBA
·
No ratings
Oathborn: The Chronicle of Ruin is a grand-scale SRPG that charges you with leading a band of soldiers through a dangerous, desperate world of shifting alliances and arcane oblivion. Inspired …
Linux
Mac
PC (Microsoft Windows)
Oathborne
Dec 31, 2025
·
No ratings
Oathborne is a top down action roguelite hack and slash. Unlock new skills for your class as you delve deeper into treacherous dungeons with traps, bosses, puzzles, and hordes of …
PC (Microsoft Windows)
Oathbound: Arena
TBA
·
No ratings
Turn-based tactical PvP combat with high-fantasy RPG units. Meet Oathbound: Arena. This stand-alone PvP play mode of the upcoming MMORPG Oathbound lets you experience the core combat mechanics in engaging …
PC (Microsoft Windows)
Oathbreaker
Oct 18, 2019
·
No ratings
A free medieval fantasy visual novel / story game
Mac
PC (Microsoft Windows)
Web Browser
Oathbreaker: Season 2
Apr 9, 2020
·
No ratings
A medieval fantasy visual novel / story game
Linux
Mac
PC (Microsoft Windows)
Oathbreakers
Oct 18, 2022
·
No ratings
Oathbreakers is a multiplayer open-world fantasy VR RPG that incorporates a unique blend of strategic precision-based realtime action combat, with unrestricted player vs player competitiveness, in a relaxing survival RPG …
Oculus Quest
SteamVR
Oaths of Light
Mar 10, 2025
·
No ratings
Play as a young woman whose life is forever changed by a series of unexpected events.Unfold mysteries, enjoy non-linear storytelling with branching paths based on your choices, and engage in …
PC (Microsoft Windows)
Oathwood Realms
Oct 1, 2026
·
No ratings
Oathwood Realms is a dark fantasy strategy card game focused on careful planning, tactical decisions, and calculated risk. Luck plays a role, but victory favors players who read the board …
PC (Microsoft Windows)
Oatmeal
Jul 30, 2021
·
No ratings
Oatmeal. This game is about oatmeal. In this game, you have a spoon, and 1 minute to eat as much oatmeal as you can. It's not as easy as you …
Mac
PC (Microsoft Windows)
Oba Doba
TBA
·
No ratings
Oba Doba is a Roguelike RTS that is fast, funny, and frantic. Defend your base with towers and fighters while managing your resources and upgrades. Build up your arsenal of …
PC (Microsoft Windows)
Obake Nante Kowakunai JK vs. Gakkou Meikyuu
Mar 31, 2027
·
No ratings
Curious about horror but bad with scary things? This is a not-so-scary horror game made by a developer who feels the same way, created for players who want to enjoy …
PC (Microsoft Windows)
Obake no Koushinkyoku
Dec 25, 2003
·
No ratings
Obake no Koushinkyoku is a 2D jump action game featuring a system that allows you to possess enemy characters and manipulate their bodies
PC (Microsoft Windows)
Obake no Koushinkyoku 10th
Obake no Koushinkyoku 10th
TBA
·
No ratings
"Obake no Koushinkyoku 10th" is a 2D jump action game released on March 26, 2015 as a sequel to "Obake no Koushinkyoku". It is a work set in "Ghost Empire" …
PC (Microsoft Windows)
