Complete Steam Games Database — Every Title, Every Release
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O reino em outro mundo
You have been transported to a procedurally generated voxel world where every decision matters. Manage resources, fight zombies and prepare for the harsh winters. Survive, build and thrive in an environment full of challenges and discoveries.
O segundo dia
O Segundo Dia is a Brazilian indie atmospheric exploration game where you traverse biomes inspired by Brazil, use sounds to interact with mysterious creatures, and recover fallen stars to form constellations in the sky.
O'Fox Life
O'Fox Life - Platformer, the main character is a Fox. In the game you have to help the main character to take a long way home.
O.A.C - World Begins
Are you a leader? Once you convince your nation you are their leader, it will be time to show the world your own political, people management and military strategy skills. O.A.C aims to be a breath of fresh air in the grand strategy genre that will inspire its own kind of videogames!
O.C.D. - On Completeness & Dissonance
Fill the empty slots in each pattern by rotating the board to make the loose tiles slide into position, but beware: the painful sight of a misplaced tile will bluescreen your brain.
O.D.T.: Escape... Or Die Trying
Fight your way through incredible, multi-leveled, 3D worlds while searching for magical, green pearl that will help save millions from decimation. O.D.T. leads you deep into a mysterious tower full of hideous enemies and hidden dangers - it gets tough but there's no turning back!
O.D.T: Escape Again... Or Die Trying
The Nautiflyus is on a mission to save Cali from a deadly epidemic using the mystical Green Pearl’s power. Disaster strikes, you crash atop a dark tower within the Forbidden Zone. It is up to you to restore the ship, survive and complete the mission. Can you escape the tower, or will you die trying?
O.M.N.I.S.: Overnight Train
You are aboard an endless train. Find anomalies, report them, and move on. But be careful—missing just one may cost you the loop.
O.M.S
O.M.S is a casual story-driven 2D Sci-Fi Platformer where you control L10 as his world is threatened by SIMPHONY the very AI that powers his planet. L10 will be avoiding dangerous obstacles and enemies as he hopes to repair SIMPHONY and save his world.
O.R.B. Offensive Rolling Bot
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 fulfill its evil plan. O.R.B. has some special skills, and transforming into a ball is just one of the tricks up in its sleeves!
O.R.B: Off-World Resource Base
An epic struggle for control!
O.S.A.
In O.S.A. “Operation Stuffed Animals” you are a crazy, fluffy creature on a crazy co-op adventure. Ambush dealers, steal “bizarre goods” and fight mutated enemies. Chaos, absurd weapons and quirky humor await you!
O.T.B.R.O.S.: Haze of Kazantip
O.T.B.R.O.S.: Haze of Kazantip is a shooter about the Crimean Exclusion Zone in the style of OLR, Anomaly, and Lost Alpha mods, black humor and harsh social satire. Collect anomalies in jars, treat hemorrhoids, and fight evil spirits. Absurdity, hardcore, and complete freedom in the world await you.
O.U.T.T.
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 source of those evil doings on this deep narrative, puzzle game.
O.V.N.I. Abduction
Face terrifying enemies from another planet who want to stop you at all costs in this first-person adventure. Explore terrifying and dark settings, solve puzzles and use the objects you find on the map to progress in your adventure.