Augment a soldier in single player

Stop a squad member from suffocating in single player

Uncover Lyegrove's secret

Perform an acrobatic triple jump with the help of accessories.

Kill 250 zombies using edged melee weapons.

Interrogated a ghost for the first time

Collected an artifact

Completed the first investigation

Became a ghost and met a strange ghost girl

Defeat a zombie.

Complete act I.

Save 5 people besieged by zombies.