Complete Steam Games Database — Every Title, Every Release

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Oops Unit

Oops Unit

Oops Unit is an online co-op game where up to 4 players team up as a bomb squad. Solve puzzles, gather resources, and push through deadly traps to reach and defuse every bomb. Extract safely, buy new gear, and repeat—or die trying, because anything, even your friends, can sabotage the mission.

Action Adventure Indie
Oops! You're the Hero!

Oops! You're the Hero!

A down-on-his-luck Thief steals a powerful artifact, and decides he doesn’t want to deal with the problems that it brings to him. He journeys across the land to get rid of it, fighting monsters who have deemed him ‘The Hero’, and get in his way.

Action Adventure
Oops! Zombie Swarm

Oops! Zombie Swarm

An unknown virus has turned most people into zombies. In this disaster, you unexpectedly discover a mysterious dragon egg, which seems to grant you immunity to the virus. Now, your mission is to protect this precious dragon egg and ensure it is not destroyed by hordes of zombies.

Indie
Oops!!! I Slept With Your Mom

Oops!!! I Slept With Your Mom

Baby lost Mommy when Baby was too young to remember Mommy 's face. But Baby remembers how warm and cuddly sleeping in Mommy 's hug felt. Now, Baby has to sleep with all the mommies in order to find Mommy. It could be any mommy. It could be your mommy...

Casual Indie
Oops!!! Puzzles!!!

Oops!!! Puzzles!!!

We offer you a puzzle game. The meaning of the game – making a mosaic pattern that you want to add up from a variety of fragments of different shapes. The greatest interest in this game will cause thrill-seekers, as it contains scary pictures (horror).

Adventure Casual Indie
Oops.. Where's My Bikini?! 👙🔥

Oops.. Where's My Bikini?! 👙🔥

Oops.. Where's My Bikini?! 👙🔥 – A wild mix of mystery, adventure, and steamy romance! A luxury trip turns dark after a murder, pulling you into a web of secrets, seduction, and danger. Uncover the truth, indulge in passion, and make choices that shape your fate. Ready to play? 😉

Adventure Casual Simulation
OopsFixers Company

OopsFixers Company

OopsFixers Company is a cooperative action game for up to 4 players where you work in a team to fix extreme situations that other companies avoid. Control unique characters. Collaborate with your teammates. Improve your team to be ready for the impossible.

Action Adventure Indie Early Access
Oopz-Oofs

Oopz-Oofs

A quirky, playful dog sim where you body-swap with a dog. Waking up from a sweet dream, John finds himself in his dog's body! Sniff, bark, beg, and use paw to interact with the townfolks. Can John find a way to return to his human form, or will this unexpected adventure change them forever?

Adventure Casual Indie Simulation Free To Play
Oort Protocol: Perihelion

Oort Protocol: Perihelion

Command 4 soldiers through brutal tactical combat in this hardcore roguelike trilogy. No tutorials. No mercy. Learn through failure as you fight across the solar system in a CRT-styled, turn-based war where your choices determine humanity's fate.

RPG Simulation Early Access
Ooze Keeper

Ooze Keeper

Ooze Keeper is a tactical roguelike that combines monster collecting and resource management. You'll harness the unique abilities of various slimes, construct efficient structures, and optimize resources to grow your farm and earn money with each turn. Beware - miss your rent, and it's game over.

Casual Indie Strategy Early Access
Ooze Odyssey

Ooze Odyssey

Ooze your way through dank dungeons and dissolve thousands of monsters in this top-down shoot’em up roguelite. Slay enough and gather their essence to earn new cards from the Witch’s deck. Defeat powerful foes and explore deep places to earn more cards for your deck!

Action Adventure Casual Indie
Ooze Redux

Ooze Redux

A NES hard game, made to run and play on original hardware. Ported to the PC. 7 hard and unique levels. An original gripping ChipTune sound track! 8 bit glory in this side scrolling shooter platformer!

Action Adventure
Ooze: The Great and Powerful

Ooze: The Great and Powerful

Play as monster in this puzzle platformer with no jump ability. Move from one room to another, killing all adventurers by your self or using traps on the level. Explore, eat, escape.

Adventure
Oozi: Earth Adventure

Oozi: Earth Adventure

Oozi: Earth Adventure is a classic 2D platformer with old school gameplay - no puzzles, no punishment, just 100% pure classic platforming fun! Its most prominent features are HD visuals and beautiful hand-drawn art, but despite its visual style, it’s a good fit for all kinds of gamers!

Casual Indie
Oozing Islands

Oozing Islands

Enjoy freedom of movement in full 3D with no fixed paths in this tower defense and RTS hybrid. Your units are your towers and you can build fences anywhere. Set your units' behavior to create a perfect team of defenders. Two leader boards let you play forever!

Strategy