http://gothub.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion/HactarCE/Hyperspeedcube
See the v1 branch for the stable version. Hyperspeedcube Hyperspeedcube is a modern, beginner-friendly 3D and 4D Rubik's cube simulator with thousands of puzzles, customizable mouse and keyboard controls, and a Lua API for creating new puzzles .