Defeat the AI

Use Quick Heal ten times (single player only)

Survive your first encounter with Stalkers

Stomp 10 Containers

Get your first Suit

Acquired 3,000 Fire Tributes

Summoned all Motor Forges

Freed 40 Bound Serpents

Fireworks - Kill 10 enemies by exploding a piece of dynamite in the air

Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1

Gain the loyalty of the mercenary ("Cerberus Pack" downloadable content)

Survive suicide mission

Successfully pursue a relationship with a teammate