Achievements

Medal of Honor (100) – Complete 1 Mass Effect playthrough on any difficulty. Unlocks Hardcore difficulty setting and unlocks character levels 51-60.

Long Service Medal (25) – Complete 2 Mass Effect playthroughs on any difficulty. Weapon damage increased by 5%

Completionist (25) – Complete the majority of the game (53 assignments and 15 missions). Experience rewards increase by 5%.

Tactician (25) – Complete playthrough with shield damage greater than health damage. Shield strength increases by 10%

Distinguished Service Medal (25) – Complete Eden Prime.

Medal of Heroism (25) – Complete Feros.

Honorarium of Corporate Service (25) – Complete Noveria.

Council Legion of Merit (25) – Complete Virmire.

Distinguished Combat Medal (25) – Complete 1 Mass Effect playthrough on the Hardcore difficulty setting. Unlocks a gamer pic of Saren for use in your profile and unlocks Insanity difficulty setting.

Medal of Valor (50) – Complete 1 Mass Effect playthrough on the Insanity difficulty setting. Unlocks a "N7" gamer pic for use on your profile.

Power Gamer (20) – Reach 50th level with one character (Requires 238,100 XP.) All experience rewards increase by 10%

Extreme Power Gamer (50) – Reach 60th level with one character (Requires 862,100 XP.) All experience rewards increase by 5%

Spectre Inductee (15) – Become a Spectre.

Search and Rescue (10) – Locate Liara T'Soni in the Artemis Tau cluster.

Charismatic (10) – Use Charm or Intimidate to resolve an impossible situation.

Paramour (10) – Complete any romance subplot.

Renegade (15) – Accumulate 75% of total Renegade points.

Paragon (15) – Accumulate 75% of total Paragon points.

Dog of War (25) – Register 150 organic enemy kills. Increases health by 10%

Geth Hunter (25) – Register 250 synthetic enemy kills (includes turrets and drones as well as geth). Increases shield strength by 10%

Soldier Ally (20) – Complete the majority of the game with Ashley Williams. Damage Reduction improves by 10%

Sentinel Ally (20) – Complete the majority of the game with Kaidan Alenko. Lift and Throw recharge time improve by 10%

Krogan Ally (20) – Complete the majority of the game with Urdnot Wrex. Regenerate 1 hp per second (main character only)

Turian Ally (20) – Complete the majority of the game with Garrus Vakarian. Damping and Overload recharge time improve by 10%

Quarian Ally (20) – Complete the majority of the game with Tali'Zorah nar Rayya. Sabotage and AI Hacking recharge time improve by 10%

Asari Ally (20) – Complete the majority of the game with Liara T'Soni. Barrier and Singularity recharge time improve by 10%

Scholar (25) – Find all primary Alien: Council Races, Extinct Races and Non-Council Races Codex entries. See the Scholar achievement guide

Medal of Exploration (50) – Land on an uncharted world.

Rich (25) – Exceed 1,000,000 credits. Unlocks Spectre weapons from the NRO and C-Sec Academy

Colonial Savior (50) – Complete Bring Down the Sky.

New Sheriff In Town (50) – Take first place in any combat scenario on Pinnacle Station.

Best of the Best (50) – Take first place in 12 combat scenarios on Pinnacle Station.

Undisputed (50) – Complete Admiral Ahern’s survival mission.

Pistol Expert (10) – Register 150 Pistol kills. Marksman duration increased by 25%

Shotgun Expert (15) – Register 150 Shotgun kills. Unlocks Shotgun for use as a bonus talent

Assault Rifle Expert (15) – Register 150 Assault Rifle kills. Unlocks Assault Rifle for use as a bonus talent

Sniper Expert (15) – Register 150 Sniper Rifle kills. Unlocks Sniper Rifle for use as a bonus talent

Lift Mastery (15) – Use biotic Lift 75 times. Unlocks Lift for use as a bonus talent

Barrier Mastery (15) – Use biotic Barrier 75 times. Unlocks Barrier for use as a bonus talent

Throw Mastery (15) – Use biotic Throw 75 times. Unlocks Throw for use as a bonus talent

Warp Mastery (15) – Use biotic Warp 75 times. Unlocks Warp for use as a bonus talent

Singularity Mastery (15) – Use biotic Singularity 75 times. Unlocks Singularity for use as a bonus talent

Stasis Mastery (15) – Use biotic Stasis 75 times. Unlocks Stasis for use as a bonus talent

AI Hacking Specialist (15) – Use AI Hacking 75 times. Unlocks Hacking for use as a bonus talent

Damping Specialist (15) – Use Damping Field 75 times. Unlocks Damping for use as a bonus talent

Overload Specialist (15) – Use Overload 75 times. Unlocks Electronics for use as a bonus talent

Sabotage Specialist (15) – Use Sabotage 75 times. Unlocks Decryption for use as a bonus talent

First Aid Specialist (15) – Use medi-gel 150 times. Unlocks First Aid for use as a bonus talent

Neural Shock Specialist (15) – Use Neural Shock 75 times. Unlocks Medicine for use as a bonus talent