Play Episode 5 to the end.

Play Episode 3 to the end.

Play Episode 1 to the end.

Throw a melee weapon and hit a zombie 35+ meters away.

Complete the first tier of every Weapon Challenge.

Maim 10 zombies with gardening equipment in the Cul-De-Sac's tall grass.

Clean up the large Caustic-X spillage in Utopia

Ram into 5 zombies in a single charge

Received Konstantin's gift.

Complete the Rites of Passage in Haus.

Achieve 100% data collection.

Find Dan's special note.

Spend 20 minutes listening to music on the desktop.