Sumo Boulders

Shove rival boulders out of the ring across eight arenas with odd physics.

1 rating Online multiplayer Plays in your browser
Play Sumo Boulders

Checked working on Oct 15

This one isn't listed for phones.

The game keeps the Esc key, so leave with this button.

Open on the creator's site

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About the game

Knock rival boulders out of the ring to win a round in this physics brawl, where you can be shoved out too. Each of the eight arenas bends the physics in its own way. Six AI personalities play the rivals you face.

Arenas from black ice under an aurora to half gravity in low orbit. A tipping raft on ocean swells, and a basalt raft floating on a boiling lake. Lightning, wind and sand in the other arenas. Ladder gauntlet for taking the rivals on. Battle mode, with up to eight boulders crowding into one ring. Boulder builder for making your own fighter before you go in. Peer-to-peer online play with other players, and gamepad support too.

It ranks #238 of 578 games all-time. How rankings work

Something wrong with this game?

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How it was made

Source: Creator's submission (issue #94). Evidence: the creator's own account.

Added
Code by AI
All of it
AI tools
Claude Code
Engine
Three.js
Players
Online multiplayer

Sumo Boulders is a physics brawl: shove rival boulders out of the ring. Built with Claude Code in Three.js. Each of the eight arenas changes the physics - a raft tipping on ocean swells, a basalt raft on a boiling lake, black ice under an aurora, half gravity in low orbit, lightning, wind and sand. Six AI personalities, a Ladder gauntlet, Battle for up to 8 boulders, a boulder builder, peer-to-peer online play and gamepad support.

— Kevin MacLeod
Make one like itClaude Code game development, from start to finish
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Questions

Who made Sumo Boulders?

Kevin MacLeod made it. They also made Chromadoku, HexMine, Lantern Mahjong, and 2 more. Their profile here lists all 6 games.

Can I play Sumo Boulders with friends?

Yes. It has online multiplayer, so friends can join from their own computer without being in the same room. It isn't listed for phones, though.

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