Complete Steam Games Database — Every Title, Every Release
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OshiRabu: Waifus Over Husbandos
"—I wanna marry you." Those simple words set in motion a ♀ yuri ♀ game of cat and mouse!
OshiRabu: Waifus Over Husbandos ~Love･or･die~
"A shotgun wedding?! Will the brides make it down the aisle?!"
Osiris
In a world of peace and tranquility, the fight of Bloxburg vs Cubeton turns violent! A brave adventurer goes on a long journey through the world of Bloxville to fight for the return to peace and tranquility.
Osiris
Osiris is a Roguelike Dark Fantasy game that tells the story of a demigod who wants to escape the Egyptian underworld to save his beloved woman who was doomed to lose her soul forever.
Osiris Quest
Play as Horus in Osiris Quest, a retro-inspired 2D platformer set in mythological Egypt. Recover Osiris’s scattered remains and defeat the evil Seth to reclaim the throne. With pixel art, tight platforming, and a 16-bit soundtrack, experience a nostalgic journey built by a solo developer.
Osman Gazi
Osman Gazi 3D RPG Game
Osman Ghazi: Ottoman Rising
A third-person action adventure set in 13th-century Anatolia. Rise as Osman Gazi, hunt, fight, infiltrate enemy strongholds, and forge the foundations of an empire. Explore a vast historical world shaped by conquest, betrayal, and the birth of a legend.
Osminog Adventure - The Lost Island
Dive into the fantastical world of Karawark and accompany the Pirate Crew of The Osminog on an adventure they were not prepared for.
Osmorrow
An adventure set on the planet of Osmorrow, where the Ogre clan has run rampant. Your mission is to help restore peace and order to this world as you liberate Osmorrow from the Ogre oppression. Use high skilled melee and ranged combat along with swift and precise movement to quell the Ogre threat.
Osmos
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
Osseous And Swordy
Osseous And Swordy is a 2D game that tasks players with outlasting an ever-evolving horde of monsters. With the coins falling from each enemy you kill, you can strengthen your sword, your health bar or your shield. Can you reach the last level and finish the game in this HELLISH game to play?
Ossuary
Fall into the place of bones. Urge on the stagnant residents who are lost to corrupt virtue. Use sins as your tools to improve their existence. Expose the cabbages pretending to be people. Learn about the razor blades hidden in your walls.
Osta
A militaria collecting simulator where you hunt for items through metal detecting, auctions, and markets to build your collection and customize your home. Travel to various locations to uncover the relics of various conflicts through history.
Ostalgie: The Berlin Wall
The confrontation between the East and the West is coming to an end, but not between East and West Germany. The old party leaders are still sitting in their offices, not changing anything and waiting for exclamations from Moscow. But their end is close – Gorbachev and Kohl have already decided...
Ostallian Core
A modern omnidirectional space shooter with colorful retro-style ASCII art and light RPG elements, featuring optional permadeath.