WCW Mayhem

Masked Rey Mysterio Jr.:
Enter MSKDLTLRY as a PPV password.

Transform Billy Kidman:
Enter NGGDYNLN as a PPV password to change Kidman into a fat wrestlerwithearrings.

Stamina meter:
Enter PRNTSTMN as a PPV password.

Momentum meter:
Enter PRNTMMNTM as a PPV password.

* Extra:
Thursday Thunder:
Enter PLYHDNGYS as a PPV password on the top line.
Press X, then enter MSKDLTLRY as a PPV password on the middle line.
A new PPV called Thursday Thunder will be unlocked.
Matches include a DDP, Sting, DDP (he appears twice), and Goldberg in a four-way bout, K-Dogg vs. two other wrestlers in a three-way dance, Ernest Miller vs. Bobby Eaton, and more.

* World War III PPV:
Enter yKh#J$=JQLmFs as a PPV password.
Note: This code is longer than the top line.
Press Right after entering the "Q" to advance to the next line.

The WWIII PPV matches include: Kidman vs. Total Package, Scott Hall vs.
Chris Benoit, Buff Bagwell vs. Curt Hennig, and Sting vs.Bret Hart.

(Information from Cheat Machine)