Find all 4 types of eggs.

Defeat 2 enemies with one flash grenade.

During the first fight with Wesker, damage him a set number of times.

Defeat 3 Majini at once with a drum or gas tank explosion.

Use masking grenade on 3 teammates with zombies near

Finish any level without dealing friendly damage

Rescue 30 incapacitated teammates

Burn 10 zombies with one gasoline puddle

Kill Lurker midair

Finish episode "Jerusalem" on any difficulty

Finish episode "New York" on any difficulty

Open and buy all perks in one specialization