OSO Early Access

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Welcome to OSO, where you get to add hazards to the map whenever you die! Throw down a fan and launch your friends into the void, or kick them into a well-placed spike to get your revenge.

Developer: Horizen Interactive
Released: Coming soon
Price: Paid
Platforms

Action
Strategy
2D Fighter
Multiplayer
Arcade
Party Game
2D Platformer
Precision Platformer
2.5D
Colorful
Hand-drawn
Stylized

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Players on Steam, last 48 hours

No player readings for OSO in the last 48 hours yet. We poll this game every 30 days.

How this is measured

Player counts over time, as we observed them.

Counts people running the game through Steam only. Players on other stores, consoles or launchers are not included.
We poll the busiest games every 15 minutes and quiet ones as rarely as once a month, so a short spike between polls can be missed. Each game shows how often it is polled.
Our player history starts on 19 October 2026. Earlier peaks, including launch peaks, are not in our data.

Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology

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