Circle of Sumo: Online Rumble!

Physics-based sumo fights where the last wrestler in the ring wins

Yonder, Strelka Games · Published by Strelka Games · Released Oct 17, 2020

Reviews: Very Positive; 92% of 1,132
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Jul 8, 2021
Minimum PC: Min 512 MB; 2 GB RAM · 0.8 GB disk; Full requirements

What is Circle of Sumo: Online Rumble!?

This free-to-play 2D fighting game pits up to four players against each other online. You hit opponents, dodge attacks, and avoid hazards such as magma and hatches across twelve arenas. Matches go to the first wrestler to win five rounds.

For you if...

+you want to climb rankings in competitive online matches
+you like choosing fighters with different strength and movement stats

Not for you if...

−you prefer solo play to competing against other players

What players say

92% of 1,132 reviews are positive

Players praise matches with friends. A review cites a small player base and long matchmaking waits, while the latest reports being unable to connect to the server.

Screenshots and trailer

Circle of Sumo: Online Rumble! screenshot 1

Circle of Sumo: Online Rumble! system requirements

Minimum: Min 512 MB, 2 GB RAM, 0.8 GB of disk space.

As published by the developer.

Can my PC run Circle of Sumo: Online Rumble!?

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Minimum

OS: Windows 10
Processor: 2 GHz
Graphics: Min 512 MB
Memory: 2 GB RAM
Storage: 800 MB available space
DirectX: Version 11

Does Circle of Sumo: Online Rumble! have co-op or multiplayer?

Yes: PvP online. There is no single-player mode. Crossplay with other platforms is declared.

Does Circle of Sumo: Online Rumble! run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS
Achievements: 35
Steam features: Family Sharing
Languages: Text only: English.

Does Circle of Sumo: Online Rumble! use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam