Use a large medkit to heal an injury of 5% or less.

Use a hammer to kill a series of 15 zombies without taking damage.

Complete act I.

Drive a total distance of 10 kilometers.

Save 5 people besieged by zombies.

Create weapons to rival the gods of fire or thunder.

Reach level 10.

Play Zork on the terminal.

Kill a zombie with 10 different melee weapons.

Breach a locked door with the first blow.

Escaped the Haven Troopers in the Middle East by non-lethal means, and obtained the Frog Soldier Doll.

Shocked an enemy soldier using Mk. II/III.

Perform any combination of 50 biotic combos or tech bursts.