You completed the game once acquiring only Typhon Powers and again acquiring only Human abilities.

You killed every Human on or around Talos I.

You blasted yourself as an object for at least 20 meters in normal gravity.

You scanned your Phantom Shift duplicate with the Psychoscope.

You returned to the Simulation Lab and completed the tests in Rooms A, B, and C.

You used Psychoshock on a Human.

You mimicked (20) or more unique objects.

You found and listened to all the messages you left for yourself.

You read all the emails on Talos I.

You consumed one of every type of food and drink on Talos I.

You completed the game in the most empathetic manner possible.

You killed Alex.

You fled Talos I aboard Alex's escape pod before completing your mission.