I would recommend turbowarp: https://turbowarp.org/1374312652?hqpen 1. WASD keys, Arrow keys or mouse controls to move 2. The longer you move, the higher you jump when you finally jump This demo showcases a custom 2D procedural generation matrix driven by an integrated Pseudo-Random Number Generator (PRNG) algorithm (modulo 2147483647). All platform geometries are calculated dynamically from seed arrays and rendered in real-time via the Pen extension instead of standard costumes.