ME1: Use Damping Field 25 times

ME1: Accumulate 75% of total possible Paragon or Renegade points

ME1: Find all primary Alien: Council Races, Extinct Races and Non-Council Races codex entries

Bring down the Drop Pods.

ME1: Complete 5 missions with the asari squad member

ME1: Land on an uncharted world

Master a branch of the class tree for any class.

Defeat Yagak in Utargak.

Open the Gate leading out of the Forest.

ME1: Complete 5 missions with the Alliance soldier squad member

ME1: Use Sabotage 25 times

ME1: Become a Spectre

Complete 25 side quests.