Complete 'I'm Free - Free Falling'.

Get into a boat.

Complete the MOSCOW level.

Have poisoned soldiers kill 5 other enemies

Kill 23 enemies in a row without dying

Kill a sniper without getting near him

Collect every single collectible item in the game

Complete your sword collection

Kill 5 enemies with your special abilities, while they are protected by a Beacon Shield

Kill an enemy with a projectile reflected by Tempest

Kill a Splitter before it manages to split itself

Kill 3 enemies with a single use of Tempest

Kill 3 enemies with a single use of Blink