Kill 5 Infected in a row with a single blow.

Kill a zombie with 10 different melee weapons.

Save 5 people besieged by zombies.

Kill 50 zombies using a vehicle.

Reach level 10.

Breach a locked door with the first blow.

Land a 50+ AP Combo in Practice Mode

Stealthily kill 15 Enemies.

Watch the entire Theater Show.

Escape the chasing Nazis on the REICH level without being caught once.

Complete training sequence.

Mission accomplished.