Xena : Warrior Princess [N64]

Play as Despair:
Press Right(2), Left(2), Right, Left, Right at the main menu to unlock Despair and give Xena additional attacks. A sound will confirm correct code entry. Alternately, press C-Left, C-Right, C-Left, C-Right at the main menu. or successfully complete the game under any difficulty setting.

Play as Bunny Despair:
Press Right(2), Left(2), Right, Left, Right, C-Left, C-Up, C-Right, C-Down at the main menu. A sound will confirm correct code entry. Alternately, press C-Left, C-Up, C-Right, C-Down at the main menu. Select Despair to have him appear in a bunny costume.

Titan mode:
Press Right(2), Left(2), Right, Left, Right, C-Up, C-Down, C-Up, C-Down at the main menu. A sound will confirm correct code entry. This allows three people to be fought in quest mode.

Fight Gabrielle instead of Hope:
Press Right(2), Left(2), Right, Left, Right, C-Left(4) at the main menu. A sound will confirm correct code entry.

Small fighters:
Hold A and press Right(2), Left(2), Right, Left, Right, WP, SP, SK, WK, A during a fight.

Polygon fighters:
Hold A and press Right(2), Left(2), Right, Left, Right, SP(2), A during a fight.

Invisible fighter:
Hold A and press Right(2), Left(2), Right, Left, Right, SK(3), WK, Z during a fight.

Invisible fighter and opponent:
Hold A and press Right(2), Left(2), Right, Left, Right, SK(3), WK, A during a fight.

Take no damage:
Hold A and press Right(2), Left(2), Right, Left, Right, SP(3), WK(3), A during a fight.

Take less damage:
Hold A and press Right(2), Left(2), Right, Left, Right, SP(3), WK(3), Z during a fight.

One hit kills:
Hold A and press Right(2), Left(2), Right, Left, Right, SP(3), WK(3), R during a fight.

Big head mode:
Hold A and press Right(2), Left(2), Right, Left, Right, Z during a fight.

Big feet mode:
Hold A and press Right(2), Left(2), Right, Left, Right, R during a fight.

Slippery stage:
Hold A and press Right(2), Left(2), Right, Left, Right, WP(3), WK(3), A during a fight.

Snow mode:
Hold A and press Right(2), Left(2), Right, Left, Right, SP(2), Z during a fight.

Red nose:
Hold A and press Right(2), Left(2), Right, Left, Right, WP(2), A during a fight.

Purple nose:
Hold A and press Right(2), Left(2), Right, Left, Right, WP(2), Z during a fight.

Green nose:
Hold A and press Right(2), Left(2), Right, Left, Right, WP(2), R during a fight.

Attack by invisible bird:
Hold A and press Right(2), Left(2), Right, Left, Right, SK(3), WK(3), A during a fight.

Combos:
If the following combos are executed correctly a woman's voice will yell "Wow!," "Awesome!," or "Excellent!". SP: Strong Punch, WP: Weak Punch, SK: Strong Kick, WK: Weak Kick

Callisto
Spinning Slash Combo: Away + SP, SP, SK, SP, SP, SP, SK, WK
Multi-Slash Combo: WP, WP, SP, SP, SP, SK, WK
Xena
Big Swing Combo: Away + WP, WP, SP, WP, SK, SK, SK, SP
Gabrielle
Speed Bag Combo: Away + WP, WP, WP, SP, SP, SP
Velasca
Blast Combo: Away + WP, SP, WK, SK, SP, SP
Additionally, there three button combos (i.e. Joxer's WP, WP, SK) for each character. Other characters have the longer combos (such as Lao Mao's attack that ends with a blast of green gas).