The secrets never stop in Sonic Mania Plus. Access Sound Test Mode, and you can actually activate some crazy, cool cheat codes. Here's how it works.

It turns out that Sonic Mania Plus has even more hidden things in store, with cheat codes that are usable through the level select menu by playing certain tracks using the sound test. [Thanks ...

Sonic Mania Plus is available now for Xbox One, PlayStation 4, Nintendo Switch and PC. If you already own the original Sonic Mania, simply purchase the Encore DLC for $5 to upgrade your game!