Complete Steam Games Database — Every Title, Every Release
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ONLY UP : Rising
⭐⭐⭐Have you ever wanted to walk through the peaks and have an eagle vision? To fly over the world like a God ! Embark on an exciting journey in Only UP: Rising ! Play as Jacky, a teenager from the ghetto who wants to get out of poverty and join the wealth of the neighboring metropolis ! ⭐⭐⭐
ONLYUP SNOW
ONLYUP SNOW is a challenging parkour game. Begin your journey in a snowy, icy area, then climb across skyscrapers and tricky platforms to reach the summit. One mistake can send you back to the start, making patience, speed, and focus your greatest allies.
ONNANOKO KEEPER
'I've seen it somewhere, but I can't remember what it was... No, no more. Let's blaze a new trail.'
ONNANOKO KEEPER 2
This game is a real-time action game with a retro atmosphere. Enjoy the various stages of difficulty and the CG of "ONNANOKO".
ONNANOKO KEEPER 3
This game is a real-time action game with a retro atmosphere. Enjoy the more challenging stages and the CG of "ONNANOKO".
ONOOW
TALESCAPE - ONOOW is an escape room game for single player. Explore in the story-rich tales and find out what the truth hidden in the mysterious story. Get items and use or combine them for escape from the story!
ONRAID
Onraid is a challenging 2D shooter game, where you are free to develop your own play style and tactics to destroy your enemies.
ONTOS
A sci-fi mystery set on the repurposed moon hotel Samsara. Uncover cryptic experiments, face unsettling encounters, and piece together a mind-bending narrative. The deeper you go, the more the truth unravels as you confront the ultimate question: What is reality?
OOLO
OOLO is a modern take on the classic isometric adventure. Embark on a non-linear journey across mysterious forests, haunted catacombs, and magical factories. Solve puzzles to collect keys and discover upgrades that change the way you explore this lush fantasy world.
OOPS! Simulator
Oops! Simulator is an absurd slice-of-life game about trying to get home. Ordinary actions lead to unpredictable accidents, strange events, and hilarious outcomes in a world that refuses to stay normal.
OOZEscape
Jump through obstacles as Ooze in this challenging 2D platformer where you can push your skills to the limit.
OP. After-Mass N1
A game project developed by one man, featuring up to 4k resolution of textures, five unique styles contain in one map. Powered by advanced global illumination and Ray-Tracing enabled to simulate real world visual quality. If you interested you can even join me with this project, bring fun to others.
OPA: Super Janken
A reimagining of the classic Rock-Paper-Scissors to make it more competitive and engaging. Collect the cards and boost your score by facing increasingly stronger opponents.
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.