Kill an enemy, knifing them with a gun blade.

Reach level 2.

Solve all of Subject 16’s puzzles.

Access your email in 2012.

Markus attacked the police

In multiplayer, escape death 3 times by using the rope ascender.

Kill 10 multiplayer enemies using your melee attack.

Kill 20 enemy players in multiplayer using a turret.

Win a ranked match in every multiplayer mode.

Kill a zip-lining enemy player in multiplayer.

Remove All Borgia Flags in Rome.

Spend 100 Ability Points

Defeat the Anchor