Sonic Meta will be powered by @tomicool 's Genesis Sonic Engine V1.3. Having a sprite for how the level looks and a sprite for collision will be useful for props like rings and monitors as shown here, the monitors can be walked through, as well as rings.
Credit to Sega for the music from Sonic CD. CHANGELOG V0.1, project shared, June 25, 2026 barebones test. Notes: Add working rings and a bigger level. V0.2 June 26, 2026 Added timer and timer HUD. Changed music to Collision Chaos. Notes: add the minute, second, millisecond timer, being worked on.