Complete the indicated task to unlock the corresponding costume.

Chris (Snow): Complete Episodes 1 to 3 in the main game.
Chris (Ship): Reach player level 30.
Jessica (Snow): Reach player level 10.
Jessica (Ship): Complete all stages under the Trench difficulty.
Jessica (Terragrigia): Reach player level 40.
Jill (Ship): Complete Episodes 1 to 3 in the main game.
Jill (Beach): Complete the first Raid stage.
Keith (Snow): Complete Episodes 4 to 6 in the main game.
Keith (HQ): Complete 50 missions.
Parker (Ship): Complete Episodes 1 to 3 in the main game.
Parker (Beach): Reach player level 20.
Parker (Terragrigia): Collect one rare weapon.
Quint (Snow): Complete 100 missions.
Quint (HQ): Reach player level 50.