THUNDER
Playstation

Big Heads:
Press R1, R1, R1, R1, R1, R1, R1, R2, Select at the options screen. 

Big Head, Hands, Feet, and Weapons:
Press R2, R2, R2, R2, R2, R2, R2, R1, Select at the options screen. 

Ring Select:
Press R1, R2, R1, R2, Select at the options screen to scroll through the various screens. Every time Select is pressed, the
current ring will advance by one. To move in reverse, press L1, L2, L1, L2 followed by Select.

Might Meter:
Press L2, L2, L2, L2, R2, R2, R2, R2, L1, L1, L1, L1, R1, R1, R1, R1, R1, Select at the options screen. The offensive and defensive attributes of each wrestler may now by adjusted.

Bonus Wrestlers:
Select one of the following wrestlers and win any championship to unlock the corresponding bonus wrestler. To unlock these characters, more wrestlers, and some of the Nitro Girls instantly, press R1, R1, R1, R1, L1, L1, L1, L1, R2, R2, R2, R2, L2, L2, L2, L2, Select at the optinons screen.