WEBWeb/Flash · 2016 · multiplayer .io snake
slither.io
slither.io (Web/Flash, 2016) has an open-source reimplementation, iiegor/slither. An agent environment already wraps it.
Data checked 2026-10-12 · unbaked registry
Projects
ReimplementationNode.js server reimplementation269 starspushed 2016-06-01no licenserelease v0.0.11
An open source implementation of the slither.io server
Open-source server implementation of the slither.io protocol (2016, unmaintained)
What you need
Check each project for what game data it needs. Code here is linked, never game files.
Agent environments
More on Web/Flash
GameMethodYearStarsLast push
WEB2048Source releaseReimplementation+1201413k2026-08-19WEBBrowserQuestSource release20129.4k2023-07-14WEBA Dark RoomSource release20138.3k2025-05-23WEBshapezSource release20207.0k2026-09-07WEBPokémon ShowdownReimplementationNative port+120116.0k2026-10-12WEBUntrustedSource release20144.7k2025-05-31WEBFriday Night Funkin'Source releaseReadable bytecode20203.8k2026-10-11WEBOpenFront.ioSource releaseAgent environment20242.8k2026-10-12Found via BabakAkbari/Slither.io-AI
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.