Complete one combat challenge without taking damage

Spirit of Amadeus Arkham revealed

Solve 70% of riddler challenges

Get all Hidden Blades, Item Pouches and Armor upgrades for Ezio.

Reach 80% of your stronghold's total value.

Achieve 8 medals on predator challenges

Complete story mode on Easy difficulty

Defeat the giant Titan Ivy plant

Venture into Killer Croc's lair and come out alive

Kick a Guard while using the Flying Machine.

Complete DNA Sequence 10.

Conquer the effects of the Scarecrow's fear gas