Complete Steam Games Database — Every Title, Every Release
Explore all Steam PC games with full release history. Import your owned collection instantly, bookmark titles for quick access, and get notified when new Cheat Engine .CT tables are uploaded for specific versions or patches.
OPEC IDLE
Become an oil magnate in a few days! Without investing real money, you'll get real pleasure from the profits! From pipette of oil to sales of trains to the Kingdom of Esvatini!
OPEN DOOR
A scientific experiment in which no one survives, in a first-person survival horror game made by one developer In the role of a random person who is trapped in an experiment, try to get out and find out what is happening in this abandoned place.
OPEN FOR BUSINESS
Build your own game & movie store — from retro VHS tapes to modern consoles. Fill your shelves with games, movies, and collectibles, attract customers, and grow your business into the ultimate entertainment shop — all while reliving the nostalgia of iconic eras.
OPEN UP SIR!
Co-op for 2–4 players about firefighters: you take on funny and dangerous calls — rescue, extinguish, and break things.
OPEN YOUR EYES
Fix your gaze on this grid-based puzzle game as you progress through levels by opening every eye. Discover eyes of different styles and properties and earn top ranks by focusing your vision and clearing stages with the least possible moves.
OPERATION SERPENS
Arcade Shooter | Single user campaign | Co-op multiplayer mode | Fast paced action game
OPERATION TEMPLE
You have to take on the role of a mercenary going on a dangerous mission, you are sent to an abandoned city to restore magical totems and destroy enemy invaders.
OPERATIVES: Revolve
A roguelike deckbuilder with cards you can almost touch. Every card is both cover and weapon, discarded the moment it is used. In your hand, they block bullets, blades and death itself. Discover a unique deckbuilder built on deep, interacting mechanics.
OPERATOR
In OPERATOR, you will play as an elite Tier 1 operator undergoing dangerous clandestine operations all over the globe. With a strategic, measured, and unforgiving style of gameplay. You are the tactical advantage, Good luck.
OPG: Clan Wars
OPG: Clan Wars — a multiplayer action game with survival elements. Arena shooter, open world, crafting, and resource battles — fight, evolve, and survive alone or with your team.
OPPAI Academy Big, Bouncy, Booby Babes!
Get reincarnated into a fantasy world, take on the role of the protagonist Takumi, and use your magic to get all the girls! Clear various quests to progress the main story of this gorgeous FANTASY VISUAL NOVEL, and capture the attractive heroines' hearts along the way!
OPPAI Ero App Academy Bigger, Better, Electric Boobaloo!
OPPAI Ero App Academy: Bigger, Better, Electric Boobaloo is a VISUAL NOVEL set in Toaru Academy, an all-girls academy where a bigger bust indicates higher exp! Shimojo Kazuma is the first male student at the school. Will he be able to win the hearts of these buxom beauties?
OPPAI RENDER
OPPAI RENDER, sex Simulator where you will be able to penetrate penis to vagina and make a great pleasure to make the vagina squirt
OPPAI RENDER: FIRST LOVE
OPPAI RENDER: FIRST LOVE (all characters are 18+ and no character get hurt in this video game), in this game your breast friend will give you amazing blowjob, and the most important is, your breast friend will let you penetrate your erect penis into her vagina
OPPAI Succubus Academy Sucky and Busty, Demonic and Lusty!
OPPAI Succubus Academy is a VISUAL NOVEL set in Faren'ch Deshka Girls' Academy. Its students may excel in bust size, but their ero ranking has the academy on the verge of closure. It's up to Suguru and his Book of Sexy Magic to get all the succubi, teach them his ero ways, and save the day!