Complete one predator challenge by using only Silent Takedowns

Complete one combat challenge without taking damage

100% Golds awarded in Challenge Mode

50% Golds awarded in Challenge Mode

Viewed the Credits to completion

25000 Intel Points collected

1 Challenge Mode completed

Completed 17th Chapter: The First of the Few

Completed 16th Chapter: Church On Time

Performed 50 Crippling Strikes

Completed 15th Chapter: When Trumpets Fade

All 12 Sewer entrances used

All Enemy Schematics collected