Various Cheats

All codes at Options screen
Big Head Mode: R1,R1,R1,R1,R1,R1,R1,R2,select
Big head, hands and feet: R2,R2,R2,R2,R2,R2,R2,R1,select
Swelling Head mode: L1,L1,L1,L1,L1,L1,L1,L2,select
Ring select code: R1,R2,R1,R2,select
Run-in (1 per match)- Select in a singles matchup
Unlock hidden characters: R1x4 L1x4 R2x4 L2x4 select button
Unlock all rings: L1, L2, R1, R2, L1, L2, R1, R2, SELECT