Mass Effect

Medal of Honor
Common

Complete 1 Mass Effect Playthrough on any setting

Long Service Medal
Rare

Complete 2 Mass Effect Playthroughs on any setting

Distinguished Combat Medal
Rare

Complete 1 Mass Effect playthrough on the Hardcore difficulty setting. Do not change the setting.

Medal of Valor
Ultra Rare

Complete 1 Mass Effect playthrough on the Insanity difficulty setting. Do not change the setting.

Assault Rifle Expert
Uncommon
Sniper Expert
Rare
Scholar
Rare

Scholar

25

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

Completionist
Uncommon
Tactician
Common

Complete playthrough with shield damage greater than health damage

Rich
Uncommon
Dog of War
Common

Register 150 organic enemy kills

Geth Hunter
Common

Register 250 synthetic enemy kills

Soldier Ally
Rare

Complete the majority of the game with the Alliance soldier squad member

Sentinel Ally
Rare

Complete the majority of the game with the Alliance sentinel squad member

Krogan Ally
Rare

Complete the majority of the game with the krogan squad member

Turian Ally
Rare

Complete the majority of the game with the turian squad member

Quarian Ally
Rare

Complete the majority of the game with the quarian squad member

Asari Ally
Ultra Rare

Complete the majority of the game with the asari squad member

Power Gamer
Rare

Reach 50th level with one character

Extreme Power Gamer
Rare
Renegade
Rare

Accumulate 75% of total Renegade points

Paragon
Uncommon

Paragon

15

Accumulate 75% of total Paragon points

Paramour
Common
Charismatic
Common

Use Charm or Intimidate to resolve an impossible situation

Search and Rescue
Common

Locate Dr. T'soni in the Artemis Tau cluster

Title Update: Bring Down the Sky

1 Achievements worth 50 Gamerscore
Colonial Savior
Rare

Complete the Bring Down the Sky mission.

Title Update: Pinnacle Station

3 Achievements worth 150 Gamerscore
Undisputed
Rare

Complete Ahern's survival mission

New Sheriff in Town
Rare

Take first place in any combat scenario on Pinnacle Station

Best of the Best
Rare

Take first place in 12 combat scenarios on Pinnacle Station

49
1,200
3,630
481
430
Developer
BioWare
Publisher
Microsoft Studios
Platforms
Xbox 360