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Floppy Brawler

Matthew Collison

Made with Claude CodeDeveloper ReportedVibe Jam ↗ActionBrowserPartially verified

Chaotic ragdoll brawls for up to four players: punch, grab, throw and knock your friends out of the ring.

Where to play

Official site floppybrawler.vercel.app, verified Nov 3, 2026. Linked from the official Vibe Jam 2026 games data as the entry URL submitted under the X handle MrCollison. No developer-owned page links the game: the game page has no credits, and that X profile does not link it.

Where to play

Every platform this game is on. Links are checked against official sources; we never host or mirror games.

  • BrowserReleasedFree

    Runs in a desktop or mobile browser. No download.

    Browser (no download) · Mobile · Official link verified Nov 3, 2026.

    Play free — official site

About Floppy Brawler

A physics-based ragdoll fighting game in the browser. Floppy little fighters punch, headbutt, jump-kick, grab and throw each other, and a round is won by knocking rivals out of the arena; the page describes it as “chaotic 4-player ragdoll combat”. There are online matches, local play and a narrated tutorial, and the menus can be switched between 40 interface languages, including Traditional Chinese. The entrant pitches it as an “addictively fun physics-based fighting game” and says the inspiration came from other jam entrants, years of web development, favourite physics brawlers and Claude's first output on day 1 of the jam. It was made for the Cursor Vibe Jam 2026, whose rules required at least 90% of each game's code to be written by AI; the official submission lists Claude Code as the tool. It finished 13th of 945 entries. Free, with mouse and keyboard on desktop; the submission marks it as mobile-ready.

ragdollbrawlerphysics4-playerthree-jsvibe-jam

How it was built

Partially verified

In the official Vibe Jam 2026 submission the entrant lists Claude Code as the tool and answers Yes to the AI-written field. In the inspiration field the entrant adds that they were “accidentally” inspired on day 1 by Claude's first output, which they now find terrible-looking; nothing more is said about how Claude Code was used or which model ran it. The submission covers the jam version only.

Supporting evidence
Development approach

Built for the Cursor Vibe Jam 2026 on Three.js, with Claude Code named as the tool. Online matches run on the game's own Colyseus servers, which the client lists for London, US East, US West, Asia and Australia.

Engine / framework
Three.js
Languages
Not disclosed
Team size
Not disclosed
Development time
Not disclosed
Development cost
Not disclosed
AI-written code
Not disclosed
“I also inspired myself accidentally on day 1 with Claude's first output haha (it looks terrible now I look back!)”
— Matthew Collison, Vibe Jam 2026 games data (entrant submissions, final rank, awards)

Verification notes: Tool (Claude Code), engine, genre, pitch, inspiration and the multiplayer and mobile flags from the entrant's answers in the official Vibe Jam 2026 games data (submitted 30 Apr 2026, 23:53 UTC; final rank 13 of 945 entries, no award); rule 3 on the jam page requires at least 90% AI-written code. Developer: the game page names no one. The jam data gives the X handle MrCollison (display name Matt, location United Kingdom; bio “CTO @ MSQ Intelligence”), and the game's own script carries deployment metadata naming the commit author “Matthew Collison” (GitHub login sixteenstudio). No developer-owned page links the game, so the name rests on that metadata and the matching handle. Team size is not stated. The 40 interface languages come from the language list and translation tables in the game's script; the narrated tutorial text is translated too. The game's code talks only to its own game servers, leaderboards, analytics and the jam widget; no calls to AI services were found. The jam page's widget counter showed 519 plays for floppybrawler.vercel.app on 4 Nov 2026 (observed; plays are sessions, not players or downloads, so not recorded as a metric). The release date is not stated; the jam submission is dated 30 Apr 2026.

Development history

  1. Entered in the Cursor Vibe Jam 2026 (submission date in the official games data); the jam required at least 90% AI-written code. Final rank 13 of 945 entries, no award.

Game performance

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Browser (official site)

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Not publicly available: Concurrent players (site), Monthly revenue, Gross revenue.

Sales & revenue (all platforms)

Downloads
Not disclosed

Browser game — there are no downloads to count.

Reviews & rankings

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Ranking positions

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Player reviews

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Sources

SourceTypePublishedAccessed
Cursor Vibe Jam 2026 — rules, prizes and game stats
Vibe Jam (Pieter Levels)
Official siteNot confirmedNov 3, 2026
Vibe Jam 2026 games data (entrant submissions, final rank, awards)
Vibe Jam
Official siteNot confirmedNov 3, 2026
Floppy Brawler (game page and script)
floppybrawler.vercel.app
Official siteNot confirmedNov 3, 2026
Matt (@MrCollison) — X profile
X
Social postNot confirmedNov 3, 2026
Official game page (language check)
floppybrawler.vercel.app
Official siteNot confirmedNov 3, 2026
Verification: Partially verifiedLast verified: Nov 3, 2026OfficialDeveloperThird-PartyObservedUnverified
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