Mass Effect 2 - Achievements

Missing in Action
Reward: 5 Points
Objective: Save your crew from an overwhelming attack

Very Elusive
Reward: 10 Points
Objective: Return to active duty

The Convict
Reward: 10 Points
Objective: Successfully recruit the biotic Convict

The Krogan
Reward: 10 Points
Objective: Successfully recruit the krogan

The Archangel
Reward: 10 Points
Objective: Successfully recruit Archangel

The Professor
Reward: 10 Points
Objective: Successfully recruit the Professor

The Quarian
Reward: 10 Points
Objective: Successfully recruit the quarian

The Justicar
Reward: 10 Points
Objective: Successfully recruit the Justicar

The Assassin
Reward: 10 Points
Objective: Successfully recruit the Assassin

Friend or Foe
Reward: 10 Points
Objective: Obtain geth technology

Colony Defense
Reward: 25 Points
Objective: Defend a human colony from attack

The Prodigal
Reward: 10 Points
Objective: Gain the loyalty of the Cerberus Officer

Ghost of the Father
Reward: 10 Points
Objective: Gain the loyalty of the Cerberus Operative

Catharsis
Reward: 10 Points
Objective: Gain the loyalty of the biotic Convict

Battlemaster
Reward: 10 Points
Objective: Gain the loyalty of the krogan

Fade Away
Reward: 10 Points
Objective: Gain the loyalty of Archangel

The Cure
Reward: 10 Points
Objective: Gain the loyalty of the Professor

Treason
Reward: 10 Points
Objective: Gain the loyalty of the quarian

Doppelganger
Reward: 10 Points
Objective: Help the Justicar resolve her mission

Cat's in the Cradle
Reward: 10 Points
Objective: Gain the loyalty of the Assassin

A House Divided
Reward: 10 Points
Objective: Hack a geth collective

Ghost Ship
Reward: 25 Points
Objective: Complete the investigation of a derelict alien vessel

Suicide Mission
Reward: 50 Points
Objective: Use the Omega 4 Relay

Mission Accomplished
Reward: 125 Points
Objective: Save humanity throughout the galaxy from certain annihilation

Against All Odds
Reward: 15 Points
Objective: Survive suicide mission

Insanity
Reward: 75 Points
Objective: Complete the game on the "Insanity" difficulty level without changing the setting

No One Left Behind
Reward: 75 Points
Objective: Keep your team alive through the suicide mission

Long Service Medal
Reward: 75 Points
Objective: Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1

Paramour
Reward: 50 Points
Objective: Successfully pursue a relationship with a teammate

Head Hunter
Reward: 10 Points
Objective: Perform 30 headshot kills with any weapon on humanoid targets

Brawler
Reward: 10 Points
Objective: Shoot and kill 20 enemies while they're knocked back by a punch

Big Game Hunter
Reward: 10 Points
Objective: Thresher Maw defeated

Tactician
Reward: 10 Points
Objective: Hit 20 different targets with multiple biotic powers to combine the effects

Master at Arms
Reward: 15 Points
Objective: Kill enemies with 5 different heavy weapons during the game

Merciless
Reward: 10 Points
Objective: Make 20 enemies scream as they fall or are set on fire

Overload Specialist
Reward: 15 Points
Objective: Disrupt the shields of 25 enemies

Warp Specialist
Reward: 15 Points
Objective: Warp the barriers of 25 enemies

Incineration Specialist
Reward: 15 Points
Objective: Incinerate the armor of 25 enemies

Operative
Reward: 15 Points
Objective: Complete a mission discovered by scanning an unexplored world

Agent
Reward: 50 Points
Objective: Complete 5 missions discovered by scanning unexplored worlds

Prospector
Reward: 5 Points
Objective: Retrieve mineral resources by scanning and probing a planet in the galaxy map

Explorer
Reward: 10 Points
Objective: Visit 100% of the planets in an unexplored cluster

Power Gamer
Reward: 10 Points
Objective: Reach Level 30 with one character

Scholar
Reward: 15 Points
Objective: Unlock 15 new Mass Effect 2 codex entries

Technician
Reward: 15 Points
Objective: Obtain 10 technology upgrades

Weapon Specialist
Reward: 15 Points
Objective: Fully upgrade a weapon

Scientist
Reward: 10 Points
Objective: Complete any research project in the Normandy's laboratory

Fashionista
Reward: 5 Points
Objective: Personalize your armor in your quarters on the Normandy

Power Full
Reward: 15 Points
Objective: Evolve any power

Highly Trained
Reward: 15 Points
Objective: View all advanced combat training videos at Shepard's private terminal