Here's Some Cheat Codes You Can Use In Sonic Mania – NintendoSoup

Recently, cheat codes have been discovered in Sonic Mania, and there's now a way to use them.To use the cheat codes, first enter Mania Mode and go to 'No Save'. Next, hold Y, and select 'no save'.

Sonic Mania Plus – Page 2 – NintendoSoup

Sonic Mania Cheats & Cheat Codes for PC, PS4, Xbox One, and Nintendo Switch - Cheat Code Central

News - November, 2019

Sonic Mania cheats: Level Select, Debug mode, Super Peel Out, and other secrets explained

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Here's How To Activate Debug Mode In Sonic Mania – NintendoSoup

Sonic Mania Plus Level Select Cheat Codes - WIP List. : r/SonicTheHedgehog

Sonic Mania Plus – Page 2 – NintendoSoup