Defeat the giant necromorph in the water tunnels

Collect all weapons, text logs and audio logs on Chapter 5: "Emergency Care"

Admire the view in the crashed shuttle

Collect 10 Semiconductors

Kill a Brute without taking damage

Collect 10 Schematics

Complete Chapter 3: "Return to the Megavents"

Complete Chapter 2: "Another Day at the Office"

Complete any level with a 5 star rating

Complete any level with at least 80% Perfect Reloads

Collect all weapons, text logs and audio logs on Chapter 1: "Worlds Apart"

Survive your first encounter with Stalkers

Impale an enemy into a Decompression Window to cause it to blow out