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Mass Effect Hints

When do all the systems and clusters become unlocked?

  • 1 of 10: The following hints will tell you when certain systems and clusters will become "unlocked" and available for exploration. Refer to them whenever you're going after a collectible item, and can't seem to get to the system it's in.
  • 2 of 10: The Grissom system in the Armstrong Nebula cluster will unlock during the "UNC: Geth Incursions" assignment.
  • 3 of 10: The Han system in the Gemini Sigma cluster and the Dis system in the Hades Gamma cluster will both unlock when you get the "UNC: Hostile Takeover" assignment.
  • 4 of 10: The Fortuna system in the Horse Head Nebula cluster will unlock during the course of that same assignment.
  • 5 of 10: The ability to land on planet Xawin will unlock during the first part of the "UNC: Privateers" assignment.
  • 6 of 10: The Herschel system in the Kepler Verge cluster will unlock when you get the "Garrus: Find Dr. Saleon" assignment.
  • 7 of 10: The Local cluster is unlocked when you get your character to level 20.
  • 8 of 10: The Voyager cluster's Yangtze system is unlocked when you get the "UNC: Cerberus" assignment, and its Columbia system is unlocked when you finish that assignment.
  • 9 of 10: In the Hades Gamma cluster, the Cacus and Plutus systems will unlock when you get either the "UNC: Besieged Base" assignment or the "UNC: The Negotiation" assignment.
  • 10 of 10: The Styx Theta cluster unlocks when you finish the Noveria game section, and the Maroon Sea cluster unlocks when you finish the Feros game section.