Complete Mission on any difficulty: Climax

Slice up 10 enemies with the Laser.

Complete Mission on any difficulty: Keegan

Kill 10 enemies with Melee

Collect 75% of the journal intelligence found throughout the game.

Headshot 10 enemies with the Sniper Rifle.

Complete Mission on any difficulty: Top

Complete Mission on any difficulty: Ruin

Complete Mission on any difficulty: Replica

Kill 10 enemies using combat opportunities.

Collect 25% of the journal intelligence found throughout the game.

Complete Mission on any difficulty: Sanctuary

Enter the Heart of Darkness