Shoot a zombie dog or a licker out of the air.

Shoot the grenade you fed to an enemy.

Visit Calico for the first time

Kill 10 enemies in a row using only Gauntlet after obtaining the Revolver

Cannonball enemies 50 times

Complete Leon's story.

Paralyze a licker's sense of hearing.

Escape from the sewers.

Read a letter left behind by Jill.

Shoot Tyrant's hat off his head.

Destroy a Mr. Raccoon.

Customize a weapon.