Complete Chapter 2 - 1 on any difficulty setting.

Complete Chapter 1 - 1 on any difficulty setting.

Complete the game using 1 or fewer recovery items.

Read all story files.

Gather all the fuses in the warehouse within 5 minutes.

Defeat Stage 3 Nemesis.

Follow Nicholai deeper underground.

Withstand the zombie siege.

Defeat two enemies with a single shot.

Defeat zombie Brad.

Defeat Nemesis on the rooftop.

Expand your inventory.

Craft an item.