At the Select Mode screen, enter SPACE 7 times, T, H
Ring Skip
At the Options Menu, press V, Q, V, Q, H. Each time you press H, the ring will advance by one.
Ring Select
At the Main Menu, press SPACE, T, V, Q 4 times, then press H.
All Wrestlers
At Character Select screen, press V 4 times, SPACE 4 times, Q 4 times, and T 4 times. Then press H to open up all the characters.
Secret Rings
At the Main Menu, press SPACE, T, V, Q, SPACE, T, V, Q, and H. Now you have the secret rings.
Instant Win
Highlight a wrestler at the Character Select screen and press SPACE, V, T, Q, SPACE, V, T, Q, and H.
Ymca Dance
While playing in the Disco ring, throw your opponent out of the ring. Hit T and the wrestlers will do the YMCA. If you do it long enough, the wrestler will get counted out and you will win!