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Alternate costumes
Successfully complete the game on the easy difficulty setting with any rank better than an F to unlock Jill's costume from the original Resident Evil and Regina's costume from Dino Crisis. Successfully complete the game on the hard difficulty setting with a rank of D to unlock two costumes, C for three, B for four, and A for all five costumes. The three additional costumes are a police miniskirt, disco, and biker outfits.