How to Get Debug Mode & Level Select in Sonic Mania Plus Debug mode in Sonic Mania Plus is a little different. For this one, you need to get 16 medals from the blue spheres.

A throwback to the 90s wouldn't be complete without some actual cheats, and Sonic Mania does not disappoint in that regard, coming complete with a debug mode, level select and a slew of cheat ...

Debug Mode GM5M-TM4Y-VD9CH P1GK-41G8-4G9H3 Infinite Rings BUGV-YEXD-D378X 2ADK-BHCY-J5CXX Infinite Lives 0CJ2-QA16-CUHY2 PKAK-Z5XF-ZRR3K Maximum Score 997Z-Z36A-K2PTB JA4U-CFF7-EX4X8 RZUF-DAKV-7NGBM ...

How to Unlock Debug Mode Unfortunately, the first time you play Sonic Mania, Debug Mode will not be unlocked. Doing so requires that you play the game and complete Blue Sphere stages.