Have a Trainee reach the Assassin Rank.

Complete Sequence 8.

Hang 5 enemies by using rope darts.

Upgrade the Aquila.

Complete Present - Skyscraper.

Recruit any of the Artisans and see them settled on the Homestead.

Complete Sequence 4.

Complete Sequence 1 & 2.

Re-Enter the Animus.

Build a suit of powered armor.

Acquire 1000 credits in one month.

Stun an Outsider.

Capture a live alien.