Arrow keys to move, space to jump. Jump to fix if the character hides. Before you play, read this... For users, please leave this project if you have photosensitive epilepsy. Please do not sue me if I gave you clear instructions. ⬇️ What can cause photosensitivity in this project: Flickering lights/Flashing lights Rapidly changing patterns
Credits to SEGA and JSAB (Just Shapes & Beats) for inspiration. Updates and bug fixes: Feb 21, 2026 added more sounds. Feb 20, 2026 Remastered the game Feb 19, 2026 added a detector that detects what speed you have and slows down or speeds up the jump animation. Feb 12, 2026 New floor loop movement and a bar that tells you when the last hit is. Feb 11, 2026 Sonic Run Redesign Feb 09, 2026 Redesign for Eggman and removed health bar. Feb 05, 2026 added first boss ever and a health bar. Feb 04, 2026 sonic animation, and jump animation.
