Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Medal of Honor (100 points): Complete one Mass Effect Playthrough on any setting.
Medal of Heroism (25 points): Complete Feros.
Distinguished Service Medal (25 points): Complete Eden Prime.
Council Legion of Merit (25 points): Complete Virmire.
Honorarium of Corporate Service (25 points): Complete Noveria.
Long Service Medal (25 points): Complete 2 Mass Effect Playthroughs on any setting.
Distinguished Combat Medal (25 points): Complete one Mass Effect playthrough on the Hardcore difficulty setting. Do not change the setting.
Medal of Valor (50 points): Complete one Mass Effect playthrough on the Insanity difficulty setting. Do not change the setting.
Pistol Expert (10 points): Register 150 Pistol Kills.
Shotgun Expert (15 points): Register 150 Shotgun Kills.
Assault Rifle Expert (15 points): Register 150 Assault Rifle Kills.
Sniper Expert (15 points): Register 150 Sniper Rifle Kills.
Lift Mastery (15 points): Use biotic Lift 75 times.
Throw Mastery (15 points): Use biotic Throw 75 times.
Warp Mastery (15 points): Use biotic Warp 75 times.
Singularity Mastery (15 points): Use biotic Singularity 75 times.
Barrier Mastery (15 points): Use biotic Barrier 75 times.
Stasis Mastery (15 points): Use biotic Stasis 75 times.
Damping Specialist (15 points): Use Damping Field 75 times.
AI Hacking Specialist (15 points): Use AI Hacking 75 times.
Overlord Specialist (15 points): Use Shield Overload 75 times.
Sabotage Specialist (15 points): Use Sabotage 75 times.
First Aid Specialist (15 points): Use medi-gel 150 times.
Neural Shock Specialist (15 points): Use Neural Shock 75 times.
Scholar (25 points): Find all primary Alien: Council Races, Extinct Races and Non-Council Races codex entries.
Completionist (25 points): Complete the majority of the game.
Tactician (25 points): Complete playthrough with shield damage greater than health damage.
Medal of Exploration (50 points): Land on an uncharted world.
Rich (25 points): Exceed 1,000,000 Credits.
Dog of War (25 points): Register 150 organic enemy kills.
Geth Hunter (25 points): Register 250 Synthetic enemy kills.
Soldier Ally (20 points): Complete the majority of the game with the Alliance soldier squad member.
Sentinal Ally (20 points): Complete the majority of the game with the Alliance sentinel squad member.
Krogan Ally (20 points): Complete the majority of the game with the Krogan squad member.
Turian Ally (20 points): Complete the majority of the game with the Turian squad member.
Quarian Ally (20 points): Complete the majority of the game with the Querian squad member.
Asari Ally (20 points): Complete the majority of the game with the Asari squad member.
Power Gamer (20 points): Reach 50th level with one character.
Extreme Power Gamer (50 points): Reach 60th level with one character.
Renegade (15 points): Accumulate 75% of total Renegade points.
Paragon (15 points): Accumulate 75% of total Paragon points.
Paramour (10 points): Complete any romance subplot.
Spectre Inductee (15 points): Become a Spectre.
Charismatic (10 points): Use Charm or Intimidate to resolve an impossible situation.
Search and Rescue (10 points): Locate Dr. T'Soni in the Artemis Tau cluster.
The following achievement requires the bonus downloadable content:
Colonial Savior (50 points): Complete the Bring Down the Sky mission.
