Transformice Api

Technical Analysis Report: Transformice API Ecosystem

Date: April 20, 2026
Subject: Reverse-engineered API structure, event protocol, and integration methods for the game Transformice (Atelier 801)

Player Input: eventChatCommand detects "!" commands in chat, while eventKeyboard and eventMouse track physical inputs. transformice api

In the landscape of independent multiplayer games, few have carved out a legacy as enduring and quirky as Transformice. Developed by Atelier 801, the game tasks players with controlling a mouse attempting to retrieve cheese and return it to the mouse hole, all while a player-controlled Shaman aids or obstructs them. While the gameplay loop is simple, the ecosystem surrounding the game is complex, driven largely by a robust Application Programming Interface (API). The Transformice API serves as the backbone for the game’s extensive customization, enabling a bridge between the developer’s hardcoded logic and the community’s boundless creativity. While the gameplay loop is simple, the ecosystem

Beyond in-game modules, the community has developed external APIs for botting and data scraping: While the gameplay loop is simple