List of video games
O.M.N.I.S.: Overnight Train
Aug 3, 2025
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No ratings
O.M.N.I.S. – Overnight Train is a short, atmospheric walking simulator with psychological undertones.Inspired by late-night train rides, liminal spaces, and the sense of being caught in an endless loop. A …
PC (Microsoft Windows)
O.M.S
TBA
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No ratings
O.M.S is a casual story-driven 2D Sci-Fi Platformer where you control LIO as his world is threatened by SIMPHONY the very AI that powers his planet. LIO will be avoiding …
O.R.B. Offensive Rolling Bot
TBA
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No ratings
Lead O.R.B. to save our world from total annihilation in this thrilling 2D-platformer. O.R.B. is a robot sent from the future to destroy an evil A.I. DiOS before it can …
Nintendo Switch
PC (Microsoft Windows)
O.R.I.G.I.N
O.R.I.G.I.N
TBA
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No ratings
Set on an abandoned spaceship, you must investigate why the ship went missing and want perils await you.
PC (Microsoft Windows)
O.To.I.Re: Dreamcast Sequencer
Dec 9, 1999
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No ratings
O.to.i.Re: Dreamcast Sequencer is a Japan-exclusive Sega Dreamcast music creation game by Waka Manufacturing. It was released only in Japan, and allows the player/user to produce his or her own …
Dreamcast
O.U.T.T.
TBA
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No ratings
O.U.T.T. is a Turn-Based Puzzle Adventure set in São Paulo, 22nd century. In a Soul Punk story, as Flavia, an ingenious psy-scientist, you must use your wits to unveil the …
Linux
Mac
PC (Microsoft Windows)
O.V.N.I. Abduction
Mar 30, 2021
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No ratings
On an island in the Gulf of Mexico, a secret space project was carried out; however, it was canceled for unknown reasons and the staff left the island. Two years …
PC (Microsoft Windows)
O.W.L Projekt
Oct 30, 2024
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No ratings
O.W.L Projekt is a 3D isometric puzzle game that will test your mind and logic skills. Controlling Elysion, a young being created in a mysterious experiment, you will face the …
O.W.L Projekt 2
Mar 5, 2025
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No ratings
Guide a young being’s daring adventure as you puzzle your way through diorama-style landscapes!
O.W.L.: One Wave Length
Mar 22, 2025
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No ratings
OWL is top down, rogue like bullet-hell that you can play with up to 1 friend. Everything is in beat, including your and the enemies attacks. With each new Instrument, …
PC (Microsoft Windows)
O2Jam Analog
O2Jam Battle
O2Jam Battle
Jul 22, 2017
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No ratings
A multiplayer-only O2Jam game, distributed in eight volumes (apps).
Android
O2Jam Online
Jan 17, 2023
· Port
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No ratings
From the iconic songs to customizing your game UI and new tracks available to play! O2 Jam is now available on Steam~!
PC (Microsoft Windows)
O2Jam Remix
O2Jam Remix
Aug 29, 2024
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No ratings
Valofe's second game in the series after the overwhelmingly negative reviews of O2Jam Online. This is the first game that has the features of the original O2Jam PC game.
PC (Microsoft Windows)
O2Jam U
May 18, 2012
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No ratings
A mobile adaptation of the original 2003 PC game, O2Jam. The goal is to tap the notes to the rhythm as they fall from the top of the screen.
Android
iOS
O2Jam x DancingParty
O2Jam x DancingParty
Sep 2, 2018
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No ratings
FPS VirtualReality game that draws patterns of notes that fly with rhythm and timing This game is a rhythm game that hits the ball at the exact moment. Let's play …
PC (Microsoft Windows)
O2Jam: Cats
O2Jam: Fruitland
O2Jam: The Beginning
Feb 13, 2026
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No ratings
O2Jam : The Beginning is the official PC version based on O2Jam - Music & Game, featuring the entire series collection. Enjoy legendary original tracks, overwhelming note impact, and various …
Mac
PC (Microsoft Windows)
O3: Hollow Descent
TBA
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No ratings
03 is a bullet-hell rogue-like shooter. Set in a surreal world inspired by the art of H.R. Giger and Zdzisław Beksiński.
PC (Microsoft Windows)
O7
Apr 11, 2023
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No ratings
o7 is an infinite vertical scroller where the floor is Lava, you have to go up as fast as possible and try to stay alive.
PC (Microsoft Windows)
O:anquan
TBA
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No ratings
O:anquan is a number puzzle from the game designer of Politaire. The idea of o:anquan is inspired by the control of a traditional Vietnamese children's board game (Spread the number …
OA Family
Sep 19, 2023
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No ratings
OA Family, a game with learning and relaxation. The main system of the game is to bring the popular English vocabulary game Hangman to do in a player-friendly format with …
PC (Microsoft Windows)
OA: Other Age
Sep 16, 2006
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No ratings
You are the Princess of Zeiva Kingdom. In order to celebrate your 16th birthday, Green Mage Nitarou gives you a special machine that allows you to summon your dream guy. …
Web Browser
OAOA: Off and on Again
May 28, 2021
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No ratings
Off And On Again tells the story of a hero tasked with rebooting time. The game world is created and destroyed during play, with the hero having the ability to …
OAsys
Jun 20, 2025
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No ratings
A fast-paced competitive racing game set in a solarpunk universe. You play as a speedbot, an athlete competing in a spectacular and perilous new tournament filled with robots, lasers, and …
PC (Microsoft Windows)
OBJ VR
Jul 20, 2024
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No ratings
An educational VR game that takes players into realistic school emergency scenarios. The game includes various scenarios such as fires, earthquakes and chemical accidents that require quick and effective response.
SteamVR
OCRPG
Dec 31, 2027
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No ratings
An Arcade Styled RPG with surprises, laughs and horrors at every turn.
PC (Microsoft Windows)
ODD Society
ODD Society
Feb 3, 2010
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No ratings
Meet the ODDs, a creative and hard-working race of people. As the story begins, the ODDs have just escaped from the evil Factory Tower step into the outside world for …
PC (Microsoft Windows)
ODEZZA
Jun 30, 2026
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No ratings
Chess meets Poker. A high-stakes game where chess battles and poker hands decide your fate. Capture pieces, build hands, and bet your way through the Odysseys.
PC (Microsoft Windows)
ODIA
Jul 10, 2020
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No ratings
Slaughter the defenders of this dark land to claim the Cathedral. Utilize arcane weapons and dark magic to smite your enemies in this hardcore retro FPS inspired by early first-person …
PC (Microsoft Windows)
ODR Hockey Heroes
Nov 22, 2025
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No ratings
ODR Hockey Heroes is a brand new arcade hockey video game featuring ultra-smooth pick-up-and-play controls that'll have you scoring goals and laying hitz like a true legend.
PC (Microsoft Windows)
ODouzy!!!
Dec 21, 2024
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No ratings
In ODouzy!!!, guide a cute rectangle through colorful levels, dodging bomb traps and collecting beans and douzy. With a blend of simple movement mechanics and challenging puzzles, navigate vibrant worlds …
PC (Microsoft Windows)
OFC: Ultimate Fighting Club
Dec 20, 2024
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No ratings
OFC - ULTIMATE FIGHTING CLUB invites you to dive into the brutal world of no-holds-barred fighting, where the only rule is to win. Join a fighting club inspired by the …
Nintendo Switch
PlayStation 4
OFFS3T
Feb 14, 2014
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No ratings
OFFS3T - is a puzzle game, where you need to restore broken after glitches images.
Web Browser
OG Memory: Fall 2K23
Dec 20, 2023
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No ratings
OG Memory: Fall 2K23 is an casual memory game with stunning leafs images made in Fall 2023. You have to find all of the correct pairs to complete the game. …
PC (Microsoft Windows)
OG Memory: Kira Maus
Dec 20, 2023
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No ratings
OG Memory: Kira Maus is an casual memory game with cute dog images. You have to find all of the correct pairs to complete the game. your best round will …
PC (Microsoft Windows)
OG Memory: Spring 2K24
May 8, 2024
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No ratings
OG Memory: Spring 2K24 is an casual memory game with stunning images. You have to find all of the correct pairs to complete the game. your best round will be …
PC (Microsoft Windows)
OG Memory: Synthwave Boats
Mar 13, 2024
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No ratings
OG Memory: Synthwave Boats is an casual memory game with stunning images. You have to find all of the correct pairs to complete the game. your best round will be …
PC (Microsoft Windows)
OG Memory: Synthwave Cars
Mar 13, 2024
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No ratings
OG Memory: Synthwave Cars is an casual puzzel game with stunning images in the synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Memory: Synthwave Monsters
Apr 12, 2024
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No ratings
OG Memory: Synthwave Monsters/b] is an memory game with scary monster images. You have to find all of the correct pairs to complete the game. your best round will be …
PC (Microsoft Windows)
OG Memory: Synthwave Vampires
Nov 2, 2024
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No ratings
OG Memory: Synthwave Vampires is an memory game with scary Vampires in an stunning synthwave style. You have to find the same correct pairs to completle the game in as …
PC (Microsoft Windows)
OG Memory: Winter 2K23
Jan 23, 2024
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No ratings
OG Memory: Winter 2K23 is an casual memory game with cute dog images. You have to find all of the correct pairs to complete the game. your best round will …
PC (Microsoft Windows)
OG Puzzlers: Fall 2K23
Dec 20, 2023
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No ratings
OG Puzzlers: Fall 2K23 is an casual puzzel game stunning images of coloured leafs made in fall 2023. You have to assemble a single image from random generated indivdual pieces. …
PC (Microsoft Windows)
OG Puzzlers: Kira Maus
Dec 5, 2023
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No ratings
OG Puzzlers: Kira Maus is an casual puzzel game with cute dog images. You have to assemble a single image from random generated indivdual pieces. Combine all of the smart …
PC (Microsoft Windows)
OG Puzzlers: Spring 2K24
May 8, 2024
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No ratings
OG Puzzlers: Spring 2K24 is an puzzel game with stunning nature pictures . You have to assemble a single image from random generated indivdual pieces. Combine all of the smart …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Astronauts
Apr 1, 2024
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No ratings
OG Puzzlers: Synthwave Astronauts is an puzzel game with cool astronauts in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Boats
Mar 16, 2024
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No ratings
OG Puzzlers: Synthwave Boats is an casual puzzel game with stunning images in the synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Cars
Feb 1, 2024
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No ratings
OG Puzzlers: Synthwave Cars is an hardcore puzzel game with cars in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Cats
Apr 9, 2024
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No ratings
OG Puzzlers: Synthwave Cats is an puzzel game with cool cats in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Dinosaurs
Mar 30, 2024
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No ratings
OG Puzzlers: Synthwave Dinosaurs is an puzzel game with cool dinosaurs in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Dragons
Apr 15, 2024
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No ratings
OG Puzzlers: Synthwave Dragons is an puzzel game with cool dragons in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Knights
Mar 27, 2024
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No ratings
OG Puzzlers: Synthwave Knights is an puzzel game with cool knights in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Monsters
Mar 26, 2024
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No ratings
OG Puzzlers: Synthwave Monsters is an puzzel game with scary monsters in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)
OG Puzzlers: Synthwave Vampires
Nov 2, 2024
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No ratings
OG Puzzlers: Synthwave Vampires is an puzzel game with scary Vampires in an stunning synthwave style. You have to assemble a single image from random generated indivdual pieces. Combine all …
PC (Microsoft Windows)