You died.
Defeated a Brute
Cleared Onslaught Mode
Cleared Story Mode on Easy Difficulty or Higher
Cleared Story Mode on Normal Difficulty or Higher
Cleared Story Mode on Biohazard Difficulty or Higher
Cleared Story Mode on Nightmare Difficulty or Arrange Mode
Defeated a Zombie
Defeated a Reptile
Defeated an Enforcer
Fail to survive.
Clear Onslaught Mode.
Clear Story Mode on Easy Difficulty or higher.
Clear Story Mode on Normal Difficulty or higher.
Clear Story Mode on Biohazard Difficulty or higher.
Defeat a Zombie.
Defeat a Reptile.