Sonic Mania

					
Medal Unlocks:

When you collect the indicated number of medals by beating the various Blue Spheres special stages throughout the game you will unlock the following rewards.
Super Peel Out:

Collect 1 medal
Insta-Shield:

Collect 6 medals
& Knuckles Mode:

Collect 11 medals
Debug Mode:

Collect 16 medals
Mean Bean:

Collect 21 medals
D.A. Garden:

Collect 26 medals
Blue Spheres:

Collect 32 medals
Easy ‘King Of Speed’ Trophy:

When you reach the Boss fight in Stardust Speedway Zone – Act 2 in less than 1 minute you will get the ‘King Of Speed’ Trophy.
Unlock Super Sonic:

Super Sonic becomes a playable character when you have collected ALL 7 Chaos Emeralds in the special stages.
Unlock Blue Sphere Stages:

When you have collected ALL the medals from the Bonus Stages you will be able to unlock Blue Spheres stages in the Extras menu. There are 51 Blue Sphere stages in total you can play.
PS4 Level Select:

Select the ‘No Save’ option on the far right of Mania mode with Debug Mode enabled and then press ‘Options’, Triangle and Square. To switch characters, press Square. To add Tails to Sonic, press Triangle while Sonic is shown next to the Sound Test.