Complete The Lake House

Defeat one of each enemy in the Lake House with the Black Rock Launcher

Defeat a Painted enemy before it leaves the wall

Find the Black Rock Launcher

Defeat the undead general

Get killed by the Alien 100 times

Kill an android using only the maintenance jack

Collect 10 Nostromo logs in the main campaign

Complete the game without killing any humans

Reach minute 31 in the Dairy Plant.

Reach Level 50 with Lama.

Complete the fifth mission without being killed by the Alien