| Bruce Buffer |
| Win UFC mode with all characters. |
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| Femme Fatale |
| Win eight consecutive matches in arcade mode. |
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| Fourth Of July Mode |
Set the system date to July 4 to unlock Homer in his car. Press L and he will shoot fireworks out the window.
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| Ice-T |
| Win sixteen consecutive matches in arcade mode. |
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| John McCarthy |
| Win UFC mode as Bruce Buffer. |
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| Mario Yamasaki |
| Win UFC mode as John McCarthy |
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| Mask |
| Win twenty seven consecutive victories in arcade mode. |
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| The Cat |
| Win four consecutive matches in arcade mode. |
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