Mass Effect 2 achievements

57.51%

Long Service Medal

Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1

63.13%

Agent

Complete 5 missions discovered by scanning unexplored worlds

66.13%

A House Divided

Hack a geth collective

67.52%

Doppelganger

Help the Justicar resolve her mission

68.02%

Explorer

Visit 100% of the planets in an unexplored cluster

68.24%

Cat's in the Cradle

Gain the loyalty of the Assassin

69.30%

Highly Trained

View all advanced combat training videos at Shepard's private terminal.

69.52%

Treason

Gain the loyalty of the quarian

69.52%

Against All Odds

Survive suicide mission

69.58%

Mission Accomplished

Save humanity throughout the galaxy from certain annihilation

70.08%

Friend or Foe

Obtain geth technology

70.30%

Suicide Mission

Use the Omega 4 Relay

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