Complete Chapter 1 on any difficulty setting.

Complete Chapter 3 on any difficulty setting.

Complete Chapter 5 on any difficulty setting.

Complete Chapter 7 on any difficulty setting.

Complete Chapter 9 on any difficulty setting.

Complete Chapter 11 on any difficulty setting.

Discover the Hunter's origins.

Complete the game on Medium difficulty or above.

Complete New Game Plus on any difficulty mode.

Install every weapon upgrade.

Kill 30 enemies with the Flamethrower.

Kill 30 enemies with the Force Gun.

Kill 30 enemies with the Contact Beam.

Place 25 items in Storage.

Collect 150 Logs.

Dismember 50 Limbs.

Rip off a dangling limb using Kinesis.

Use Stasis on 50 enemies.

Fully upgrade all weapons and equipment.

Complete Level 6 in Zero-G Basketball.

Create the Master Security Override.

Kill the Leviathan.

Kill the Hive Mind.

See the alternative ending on any difficulty mode.