Complete Steam Games Database — Every Title, Every Release
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Oxygen: First Breath
This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!
Oxyjet
Fly your spaceship by making holes in it! Oxyjet is a ridiculous and action packed couch co-op game, in which you "sumo wrestle" the opposing team for oxygen.
Oxytone
Relax and listen to the hypnotizing world of Oxytone, slow paced puzzle game where you rotate hexagonal tiles with paths. Each tile can be used up to six times, creating tangled paths.
OyasumiVR
Software that helps you sleep in virtual reality. OyasumiVR detects when you are asleep and automates various tasks and settings to make VR sleeping as comfortable as possible.
Oylinder
A 3D platformer like you've never seen before, you must climb a mountain, by controlling a ball with six legs, a key for each leg, jump, roll and fall until you have mastered it. If you seek a challenge, this is it.
Oyster VR
Oyster VR is a first-person and virtual reality exploration based learning game about oyster reef restoration at the bottom of the Hudson River in New York and New Jersey.
Oyster Wars
Serve your own justice. In a world where the rich step on the poor without consequence, Wade ventures to the private island of a ruthless CEO for revenge. Help Wade use his hook shot to clear gaps, grab items and find secrets in this 2D pixel platformer. Will you stand up against the powers that be?
OzGrind Virtual Reality Showroom
Brick and Mortar is so old school. Let's get digital! Expand your showroom infinitely with a Viewport Virtual Reality Showroom.
Ozapell Basic
Ozapell Basic is a hobbyist programming language simple enough for new programmers -- while powerful enough to develop playable retro 1980s games.
Ozapell Mystery Text Adventure
A retro early 1980s text adventure experience involving a murder mystery that is generated differently each time the game is played.
Ozone Guardian
A new twist on the classic arcade shooter, with a variety of character choices and an upgrade system. Control your spaceship with your mouse & shoot with click - the only limitation is your hand speed! Face waves of creative enemy ships and stimulating bosses, and protect the ozone, Ozone Guardian.
Ozone Wipeout
Ozone Wipeout is a post apocalyptic zombie survival game in a procedurally generated open world. Staying alive is your only goal which is much easier said than done. Harsh weather conditions, zombies and resource scarcity are only a few of many things you will have to deal with.
Ozric
An endless forest. A magical delivery. A shortcut Ozric will never forget. Face off against waves of twisted forest creatures in fast-paced combat. Collect powerful upgrades, experiment with wild magic, and push deeper into the ever-changing forest.
Ozymandias: Bronze Age Empire Sim
Build an empire in a single sitting. All the strategy of a classic 4X in a faster format, which also shines in multiplayer.
Ozymandias: Last Strive
Prepare to fight in this game where every enemy is stronger than you and always have a hidden card to use. Only your sword, wit, quick movements and your guts need to be enough for you to survive and reach greatness, you'll travel to surreal places, fighting to achieve a questionable win. Unveil it.