Open a portable safe.

Customize a weapon.

Combine two items together.

Make it to the police station.

Complete the treatment plant.

Defeat the Proto Tyrant.

Fight off the Proto Tyrant.

Shoot down a Hunter or an Eliminator while they are jump attacking in the air.

Get picked up by the Infected Bat.

Create a Custom Handgun.

Defeat a zombie by stomping on them.

Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.

Try to push something heavy with Rebecca.