String together the following: wallrun, jump, speedvault

Kill 30 Helghast using the StA3 fixed gun emplacement

Complete Chapter 1 in story mode

Complete the Prologue in story mode

Elika saves you fewer than 100 times in the whole game.

Finish the game in under 12 hours.

Explore every part of every region.

Final Healing.

Defeat the Concubine without using grab.

Collect 500 Light Seeds.

Kill the Hunter in his Lair.

Throw 10 Soldiers of Ahriman into pits.

Collect 200 Light Seeds.