List of video games
Oneness
Mar 29, 2018
·
No ratings
Oneness is a simple puzzle game with simple but challenge rules, you need use only one line to join all the squares together, when you need to match the condition …
PC (Microsoft Windows)
Oneway.exe
Oct 22, 2025
·
No ratings
oneway.exe is a first-person, single player horror game, with a heavy focus on story and internet culture. Explore, survive and solve puzzles to find out what happened to UNTITLED.EXE, its …
PC (Microsoft Windows)
Ongeki Bright
Oct 21, 2021
·
★ 2.0
The fourth entry in Sega's gatcha rhythm arcade game series
Arcade
Ongeki Summer
Aug 22, 2019
·
★ 3.0
Ongeki SUMMER is the successor to Ongeki Plus. It adds a new story chapter (“Shooter Festival”), introduces SR+ rarity cards, new items for progression, and a revamped mission system. Quality-of-life …
Arcade
Onimusha 1+2 Pack
May 22, 2025
· Bundle
·
No ratings
Experience the origins of the classic samurai series remastered in high-definition! The first two Onimusha games are now available in 16:9 widescreen format with additional gameplay enhancements such as modernised …
Onimusha: Dawn of Dreams
Aug 1, 2026
· Port
·
No ratings
A port of Onimusha: Dawn of Dreams, enhanced with up-rendering, rewind, quick save, and custom video filters.
PlayStation 4
PlayStation 5
Onimusha: Warlords - Genma Seal Box
Dec 20, 2018
·
No ratings
A special release of the remastered version of Onimusha Warlords that comes with the soundtrack of the game and a wall scroll.
Nintendo Switch
PlayStation 4
Onion Delivery
Sep 18, 2024
·
No ratings
Can you survive the work-week in Zorrg city? Do your best to make deliveries amidst the chaos!
Nintendo Switch
PC (Microsoft Windows)
Online Obsession
TBA
·
No ratings
Have you ever had an online friend? What if you were to meet them in real life? Can you be sure that nothing will go wrong? Find out in this …
Linux
Mac
PC (Microsoft Windows)
Onset
Dec 13, 2019
·
No ratings
Onset is an open world multiplayer sandbox without predefined goals. Create and host your very own experience in Onset using Lua scripting functions. Whether that is Roleplay, Cops and Robbers …
PC (Microsoft Windows)
Onslaught! Arena
TBA
·
No ratings
Originally released on the Chrome web store, Onslaught! Arena is a Smash TV-esque medieval styled shooter.
Ooh, Aah, & You: Fetch-a-Fruit
TBA
·
No ratings
Ooh and Aah's: Fetch-a-fruit is a game from 2005 originally published on the Playhouse Disney website. In the game you are supposed to draw a vine through fruits that are …
Web Browser
Ookami Okami
TBA
·
★ 5.0
You're dead. But your love life is just beginning! Reborn in the Spirit Realm, take over a crumbling hot spring inn and partner with a brooding masked god who hides …
PC (Microsoft Windows)
Ookujira - Giant Whale Rampage
Mar 20, 2016
·
No ratings
Earth is under attack! Evil alien robots from outer space are invading the cities and human technology is inadequate to oppose the machine onslaught. Despite having been oppressed for ages …
Android
iOS
Oom
Feb 13, 2024
·
★ 3.0
Oom is a rhythmic dungeon crawler where player simultaneously moves and shoots on the beat and controls the direction of the character with the crank. It's an unusual take on …
Playdate
Open Wheel Manager 2
Dec 17, 2024
·
No ratings
Open Wheel Manager 2 - is a management sim for open wheel racing fans who want to venture back to 90s and go wheel to wheel with competitive teams.
PC (Microsoft Windows)
OpenBVE
Apr 23, 2009
·
No ratings
OpenBVE a license-free, open source, free of charge train driving simulator.
PC (Microsoft Windows)
OpenGoal: Jak and Daxter - The Precursor Legacy
Apr 4, 2022
· Mod
·
No ratings
A full-on fan-made PC port of Jak and Daxter: The Precursor Legacy, with added options like resolution, camera, antialiasing, and more.
Linux
PC (Microsoft Windows)
OpenTyrian
Dec 31, 2007
· Fork
·
★ 4.0
Tyrian is an arcade-style vertical scrolling shooter. The story is set in 20,031 where you play as Trent Hawkins, a skilled fighter-pilot employed to fight Microsol and save the galaxy. …
Android
PC (Microsoft Windows)
Xbox One
Operation Highjump: The Fall of Berlin
Jun 30, 2026
·
No ratings
In the last days of World War II, lead a suicide mission to hunt down the enemy leaders, steal their experimental technology and recover the art pieces and relics. A …
Operation Octo
Sep 10, 2025
·
No ratings
Dr. Odin, a hyper-intelligent octopus, is on a conquest against sunken skeletons. High-tech turrets are at his aid: Pistol Shrimp! Navy Seal! Death Ray! Deploy 'em, guard 'em, and collect …
Linux
Mac
PC (Microsoft Windows)