Unlock sonic 2 + knuckles: play sonic 2 and sonic spinball 20 times each
Unlock sonic 3 + knuckles: play sonic 3 and sonic + knuckles 20 times each
Level select: at the title screen press up, down, left, right. Then hold square
and press start. Choose a stage
Level select. Go to options, then sound test. Play 19,65,09,17, then hold square
and press start. You will be returned to the title screen. Hold
square and press start.
Super sonic: at the level select menu go down to sound test and press
04,01,02,06. Hold square and press start on the desired level.
collect 50 rings and jump to become super sonic.
Sonic 3 + knuckles
Super sonic/tails/knuckles: collect all 7 chaos emeralds, pick up 50 rings and
Hyper sonic/knuckles: collect all 7 chaos emeralds and all 7 super emeralds,
then collect 50 rings and double jump
Added by: ps2god Aug 14th 2008, ID#30734