Unlock the following alternate costumes by performing the corresponding tasks:

COSTUME - HOW TO UNLOCK
Chris' Caucasus costume - Beat Operation Javier - Chapter 5 on Normal.
Chris' Mafia costume - Get an "S" rank on Game Of Oblivion - Chapter 7 on Normal.
Claire's Biker costume - Get an "S" rank on Memories Of A Lost City - Chapters 1 through 8 on Normal.
Claire's Western costume - Get an "S" rank on Game Of Oblivion - Chapters 1 through 7 on Normal.
Krauser's Detective costume - Get an "S" rank on Operation Javier - Chapters 1 through 5 on Normal.
Krauser's Mercenary costume - Beat Operation Javier - Chapter 5 on Normal.
Leon's Agent costume - Beat Operation Javier Chapter 7 on Hard.
Leon's Biker costume - Get an "S" rank on Memories Of A Lost City - Chapters 1 through 8 on Normal.
Leon's Detective costume - Get an "S" rank on Operation Javier - Chapters 1 through 5 on Normal.
Leon's R.P.D. costume - Beat Operation Javier - Chapter 7 on Hard.
Steve's Western costume - Get an "S" rank on Game Of Oblivion - Chapters 1 through 7 on Normal.