Read all files.

Attack an enemy to save your partner who is grappling with that enemy.

Complete the factory.

Complete the laboratory.

Get picked up by the Infected Bat.

Play the piano using Rebecca.

Defeat an enemy by burning them.

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

Defeat a zombie by stomping on them.

Try to push something heavy with Rebecca.

Defeat an enemy with a critical-hit headshot.

Complete the train.