Hit another vehicle with a bank shot using the Ricochet weapon.

Survive the Ambush at the Church

Kill your first zombie with a Molotov Cocktail

Get into the Tower of London

First Kill with the Crossbow

Get into Buckingham Palace

Get into the Supermarket

Pick up a backpack (Bug-Out-Bag)

Receive orders from Lancer.

Complete Memory Sequence 9.

Affect at least four enemies simultaneously with the Hallucinogenic Dart.

Complete the World War I simulation.