Sonic Mega Collection Plus/Hidden content
From Sonic Retro
Cheat Codes
These are cheat codes for Sonic Mega Collection Plus which can be accessed by inputting button sequences or by various other methods.
Playstation 2 and X Box Versions
- Change Game Gear Screen Size: Press in the right joystick while playing the Game Gear games to toggle the size of the screen.
Unlockables
It is only nessesary to start a game and can be exited shortly afterwards. No actual gameplay is nessessary.
- Comic Zone: Have a save of Sonic Heroes or play the genesis games 50 times.
- The Ooze: Have a save of Sonic Heroes or unlock Knuckles in Sonic 2, Sonic 3 & Knuckles, Blue Sphere, and Flicky.
- Blue Sphere: Play Sonic the Hedgehog and Sonic 3D Blast 20 times each.
- Knuckles in Sonic 2: Play Sonic the Hedgehog 2 and Sonic Spinball 20 times each.
- Sonic 3 & Knuckles: Play Sonic the Hedgehog 3 and Sonic & Knuckles 20 times each.
- Flicky: Play Dr Robotnik's Mean Bean Machine 30 times.
- Ristar: Play Blue Sphere, Knuckles in Sonic 2, Sonic 3 and Knuckles, and Flicky 30 times each.