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Ultracraft

Plays the real ULTRAKILL inside real Minecraft: Java Edition, drawing it into Minecraft's window.

Removedby alfr0762

RemovedThe GitHub repository was deleted or made private in October 2026.

Ultracraft: cover art

About this project

Runs the real ULTRAKILL next to Minecraft: Java Edition 1.21.11 and draws it into Minecraft's window. It needs Windows, ULTRAKILL on Steam and Minecraft with Fabric Loader 0.19+ and Fabric API; it sets up BepInEx 5 and an UltraBridge plugin in ULTRAKILL automatically. As of 15 October 2026 the GitHub repository and its releases page return 404.

Requirements and setup

Windows; owned copies of ULTRAKILL (Steam, running) and Minecraft: Java Edition 1.21.11 with Fabric Loader 0.19+ and Fabric API. Ultracraft sets up BepInEx 5 and the UltraBridge plugin in ULTRAKILL automatically; Modrinth (.mrpack) and CurseForge modpacks are provided in the releases.

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