Open all of the safes and locks in the game.

Complete Ada's segment.

Escape the police station.

Defeat an enemy with a knife.

Shoot a zombie dog or a licker out of the air.

Paralyze a licker's sense of hearing.

Open a portable safe.

Increase your inventory slots.

Open a dial safe.

Combine two items together.

Use nitro and drift at the same time on your bike for at least 5 seconds

Unlock 45 skills