Complete Steam Games Database — Every Title, Every Release
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OA Family
OA Family, a game with learning and relaxation. The main system of the game is to bring the popular English vocabulary game Hangman to do in a player-friendly format with a helper.
OAOA - Off And On Again
OAOA tells the story of a hero tasked with rebooting time. The game world is created and destroyed during play, with the hero having the ability to turn parts of the world off and on again. You will be required to use both brains and skill to overcome the enemies and obstacles in your path.
OASE - Other Age Second Encounter
OASE - Other Age Second Encounter is a game with elements of Puzzle, Adventure Game, Dating Sim, and Visual Novel.
OASIS: Tokyo
OASIS: Tokyo is an FPS with a focus on inventory management that has roguelite elements. Complete procedurally generated missions in a shady underworld.
OBA DOBA
OBA DOBA is a Roguelike RTS/Tower Defense that is fast, funny, and frantic. Defend your base with towers and fighters while managing your resources and upgrades. Build up your arsenal of structures, abilities, and passives to defeat the evils that await. Build, rebuild, and survive! (hopefully)
OBEN
Join Arsen and Galla in this story of mystery, solitude and skill, across four planets full of impossible jumps and challenging puzzles. Are you willing to put yourself to the test?
OBEY
OBEY is an asymmetrical multiplayer game. In many games you send commands to teammates or AI units. In OBEY you command your (human) opponents, or are commanded by them. Players are always free to obey/disobey. And everyone deals with the consequences of their own decisions.
OBLAKO ☁
In this relaxing puzzle game, destroy blocks and reach the heart block, which can't be destroyed. Clear tougher blocks and use crystals to break special "domino" blocks. With charming art and a soothing soundtrack, help the main characters meet while you unwind and enjoy the chill vibes!
OBLITACRATER
Dive into an action-packed shoot 'em up where every drop onto the planet is a high-stakes gamble. Fight through endless waves of increasingly deadly alien monsters while collecting powerful upgrades to aid you in battle. You can escape at any time, but beware — death resets your score to zero!
OBRII
A turn-based strategy game focused on building and managing a Mars colony, featuring meticulously handcrafted missions and a procedurally generated sandbox mode.
OBS Studio
Free and open-source software for video recording and live streaming
OBS Studio Beta
OBSCURA
Descend under a mountain to the marketplace below, where everything has a price. Meet the four men who can each give you what you need, but beware: they have their own hidden motives and uses for you. OBSCURA is a dark fantasy romance VN that asks how far you'll go to get what you need.
OBSCURIA
After the largest cruise ship in the world suffered a shipwreck and was invaded by ghosts, you must find Captain Blackhood after he disappeared, enter the great Nocturne and investigate all the secrets and mysteries.
OBSCURY : THE LAST
Monsters from the darkness want to catch up with you, try to survive this night with some of the most horrible monsters, you will need to survive in the nursery and fight off monster attacks when the lights go out.