At the first screen to appear when the Nintendo 64 is powered on, press Right, Up, Left, Down, Right, Up, Left, Down. If you entered the code correctly, you will hear a sound. Now Ichiro and Gar Gunderson will appear above the Executioner on the character selection screen.
On the character selection screen, highlight and then press Start on Koyasha, Executioner, Lord Deimos, Xiao Long, then press Quick to select Janitor Ned as your character.
Perform Taria's execution in one or two player mode. Then, start another match, highlight Taria, and hold Start on the character selection screen. Now Pojo! will appear as a selectable character. Continue holding Start and press Quick to select Pojo! as your character.
Accumulate three wins in two player mode. Then, start another match, highlight the Executioner, and hold Start on the character selection screen. Now Grendal will appear as a selectable character. Continue holding Start and press Quick to select Grendal as your character.
On the character selection screen, highlight and then press Start on Koyasha, Al' Rashid, Takeshi, then select a character.
On the character selection screen, highlight and then press Start on Al Rashid, Takeshi, Mordos Kull, Xio Long, Namira, then select a character. Now both characters will have their opponents head.
On the character selection screen, highlight and then press Start on Takeshi, Al' Rashid, Ragnar, Xiao Long, then select a character.
On the character selection screen, highlight and then press Start on Ragnar, Dregan, Koyasha, then select a character. Now both characters will be wearing bunny slippers.
Hold L + R + Z and move the Analog-Stick and D-pad in the same direction.
On the character selection screen, highlight a character and press L, R, C-Up, C-Down, C-Left, or C-Right to select from five additional colors.
Highlight "Practice" and press Start simultaneously on controllers one and two.
At the character selection screen, highlight any character and press Start(4) to fight on his or her stage, after completing character selection normally.
On the character selection screen, highlight and then press Start on Hellknight, Xiao Long, Dregan, or Namira. Then, select a character.
Enable the "Random opponent AI" code and begin a match. Then, quit the match and enter practice mode to face a random opponent.
Before the game has one credit remaining, press Start on controller two. Have player two defeat player one and go on to the next CPU-controlled round. Then, press Start during the match against the CPU and defeat player two. Now when player one faces the CPU fighter line up, six credits will be available again.
On the character selection screen in two player mode, highlight and then press Start on each of the characters indicated below (in order). Then, select a character.
| Characters | Stage |
| Namira, Koyasha, Taria | Grendal's |
| Mordus Kull, Taria, Ragnar | Grendal's |
| Ichiro, Xiao Long, Koyasha | Grendal's |
| Koyasha, Mordus Kull, Takeshi | Mini Golf Course |
| Xiao Long, Al Rashid, Koyasha | San Francisco Rush |
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Game Shark Codes
Infinite Energy P1
8008B1E7 0064
Press GS Button For 25% Energy P1
8908B1E7 0019
Press GS Button For 50% Energy P1
8908B1E7 0032
Press GS Button For 75% Energy P1
8908B1E7 004B
Press GS Button For 1-Hit Death P1
8908B1E7 0001
No Energy P1
8008B1E7 0000
Infinite Energy P2
8008AE5F 0064
Press GS Button For 25% Energy P2
8908AE5F 0019
Press GS Button For 50% Energy P2
8908AE5F 0032
Press GS Button For 75% Energy P2
8908AE5F 004B
Press GS Button For 1-Hit Death P2
8908AE5F 0001
No Energy P2
8008AE5F 0000
Extra Characters
8007F9F8 0001
Press R-Button For Health Restore P1
D007CD2B 0010
8008B1E7 0064
Press Z Button For Deathblow P1
D007CD2A 0020
8008AE5F 0000
