Unlockables
Enter the following codes in Career mode without the quotes as a name to unlock the corresponding effect.
Unlock Invincibility:
Enter 'INVINCIBLE'.
Unlock Full Attributes:
Enter '100%'.
Disable ALL Active Codes:
Enter 'RESETPASS'.
Unlock Illegal Moves
During a match enter the following codes to unlock the corresponding illegal blow or bite.
Illegal Low Punch:
Hold R1 + R2 and press X.
Illegal Kidney Punch:
Hold R1 + R2 and press Circle.
Illegal Elbow:
Hold R1 + R2 and press Square.
Illegal Head Butt:
Hold R1 + R2 and press Triangle.
Illegal Kick:
Press Triangle + Circle + X + Square.
Bite Opponent's Ear:
Hold L1 + R1 to clinch your opponent and press Triangle + Circle + X + Square.
Head back to our Knockout Kings 2001 cheats page for a load more cheats and tips for Knockout Kings 2001.
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