Mask
Enter arcade mode. When the best record appears, press
[Right], [Left], [Right], [Left], [X]
+ [Y]. Mask should be now be unlocked. Alternately, clear
legend mode with all hidden characters.
Additional fighters
Win five consecutive matches to unlock the following
fighters, in order. The next fighter in line will be unlocked
with your next streak of five wins.
1. Robbie Lawler
2. Tsuyoshi Kosaka
3. Vitor Belfort
4. Pat Miletich
5. John Lewis
6. Dan Severn
7. Jeremy Horn
8. Hayato Sakurai
9. Maurice Smith
10. Mark Coleman
11. Mikey Burnett
12. Bas Rutten
13. Gary Goodridge
14. Frank Shamrock
15. Marco Ruas
Big John McCarthy
Unlock all regular fighters, then win all Silver belts
in championship mode with all of them.
Bruce Buffer
Win 33 consecutive matches in arcade mode.
Frank Fertitta
Lose 66 bouts in arcade mode.
Larry Landless
Unlock all regular fighters, then win all Silver belt
in championship mode with all but one of them.
Skyscrape
Clear legend mode with all normal characters.