Screenshots
Watch trailer on Steam ↗OSO
Horizen Interactive · Published by Horizen Interactive
Last updated 28 Sept 2026
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.
Action, Indie, Strategy, Early Access · More free games
In OSO, strategize your moves while adding fan blades and spikes to the map. Each death forces you to rethink your tactics as you seek revenge on your friends.
About this game
OSO Is a 2.5D Platformer-Fighter that throws you and your friends into an Oscilloscope Inspired world where you fight to the death!
Fight! (With a Twist!)
Have you ever played a fighting game with your friends and thought "Well this is fun, but it could be more chaotic"?
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.
Play with Friends and Foes Alike
OSO supports matches of up to 6 players, so grab some friends and hop into a private lobby! Don't have anyone that's willing to get thrown into a spike wheel? That's ok too! With public lobbies, you can find some like-minded players and punch the pixels out of each other.
Features:
Private and Public Steam Lobby System
2-6 Player Online Multiplayer
Mutators for matches
Dashing, Hazards, and crazy Combos to destroy your friends!
Customize your character with our many Oscilloscope Inspired Colors!
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor: 4 Core, 2 GHz or better
- Memory: 4 GB RAM
- Graphics: NVIDIA Quadro M2000M or equivalent
- Network: Broadband Internet connection
- Storage: 250 MB available space
Recommended
- OS: Windows 10
- Processor: 8 Core, 3 GHz or better
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce GTX 980 or better
- Network: Broadband Internet connection
- Storage: 1 GB available space
Supported Languages
*languages with full audio support
