Help or rescue your partner ten times.

Attempt "The Rescue" and survive.

Heal with 101 Green Herbs (lifetime)

Complete the sixth mission of the U.S.S. campaign.

Kill an infected teammate with a headshot before they become a zombie in any mode.

Infected 13 times (lifetime)

Revive 31 teammates (lifetime)

Complete the fourth mission of the U.S.S. campaign.

Complete the third mission of the U.S.S. campaign.

Purchase an ability.

Witness the beginning of the Raccoon City outbreak.

You completed the mission "Roman's Sorrow".

You were invited into your girlfriend's house.