Watch all tutorial videos, nerd.

Kill 666 Ghosts, Skeletons, or Zombies.

Kill 666 Demons, Fallen, or Goatmen.

Complete the main story on Standard mode or higher.

Obtain all treasures indicated on the island treasure map in a single playthrough.

Defeat Jack Krauser.

Kill 2 parasites inside a Regenerador with a single bullet.

Defeat 3 enemies at once with a flash grenade.

Get the exclusive upgrade for a weapon.

Use a cannon to defeat a zealot.

Rescue Ashley as she's being carried away by the enemy.

Complete a game at the shooting range.