Complete Separate Ways on Standard mode or higher.

Defeat Pesanta in Separate Ways.

Complete a Path of the Hunter quest.

Escape the pirates and survive in the wilderness.

Collect all trophies

Fully Upgrade One Weapon

Finish New Game Plus Mode

Uncover the mystery of Kallipolis

Take a photo using photo mode

Beat the game on any difficulty

Find the source

Restore power to the old facility

Reach the Hangar flight deck