Mario vs. Bowser with 62%
Mega Man X vs. Zero with 55%
Pokemon Trainer Red vs. Pokemon Trainer Blue with 52%
Samus Aran vs. Ridley with 53%
Link vs. Ganondorf with 70%
Alucard vs. Dracula with 51%
Cloud Strife vs. Sephiroth with 58%
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http://speeddemosarchive.com/MetroidPrime.html#PAL100