| 1. | Mass Effect - Get to ExoGeni Headquarters, Investigate Mysterious Signal | 8,405 | | Mass Effect
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| 2. | Mass Effect - Remove Forcefield, Destroy Geth Ship Claws | 3,832 | | Mass Effect
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| 3. | Mass Effect - Return to Zhu's Hope | 2,006 | | Mass Effect
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| 4. | Mass Effect - Strange Transmission/Major Kyle | 597 | | Mass Effect
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| 5. | Mass Effect - Investigate Facility / ExoGeni Facility | 543 | | Mass Effect
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| 6. | Mass Effect - Destroy the Thorian | 474 | | Mass Effect
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| 7. | Mass Effect - Signal Tracking | 285 | | Mass Effect
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| 8. | Mass Effect - Stop Geth In Tower | 270 | | Mass Effect
|
| 9. | Mass Effect - Administrator Anoleis, A Stumbling Block | 245 | | Mass Effect
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| 10. | Mass Effect - Lorik Qui'in, Break-In, Gianna's Proposal | 241 | | Mass Effect
|
| 11. | Mass Effect - Reconnect Landlines | 106 | | Mass Effect
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| 12. | Mass Effect - Planting A Bug | 77 | | Mass Effect
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| 13. | Mass Effect - UNC: Cerberus | 71 | | Mass Effect
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| 14. | Mass Effect - Asari Consort, Xeltan's Complaint | 67 | | Mass Effect
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| 15. | Mass Effect - Schells The Gambler | 66 | | Mass Effect
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| 16. | Mass Effect - Missing Survey Team | 48 | | Mass Effect
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| 17. | Mass Effect - The Fourth Estate | 48 | | Mass Effect
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| 18. | Mass Effect - Geth Interest | 43 | | Mass Effect
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| 19. | Mass Effect - I Remember Me | 36 | | Mass Effect
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| 20. | Mass Effect - Jahleed's Fears | 36 | | Mass Effect
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| 21. | Mass Effect - Hot Labs | 35 | | Mass Effect
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| 22. | Mass Effect - Reporter's Request | 35 | | Mass Effect
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| 23. | Mass Effect - Family Matter | 33 | | Mass Effect
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| 24. | Mass Effect - X57 Bring Down The Sky, Avoid The Blasting Cap | 31 | | Mass Effect
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| 25. | Mass Effect - Rift Station, Quarantine | 30 | | Mass Effect
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| 26. | Mass Effect - Reactor Repair | 25 | | Mass Effect
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| 27. | Mass Effect - Presidium Prophet | 24 | | Mass Effect
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| 28. | Mass Effect: Mass Effect - Dead Scientists | 22 | | Mass Effect
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| 29. | Mass Effect - Contamination | 22 | | Mass Effect
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| 30. | Mass Effect - The Fan (Part 3/3) | 21 | | Mass Effect
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| 31. | Mass Effect - Missing Marines | 18 | | Mass Effect
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| 32. | Mass Effect - Asari Diplomacy | 18 | | Mass Effect
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| 33. | Mass Effect - Find Liara T'Soni (Part 1/2) | 17 | | Mass Effect
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| 34. | Mass Effect - Expose Saren II | 17 | | Mass Effect
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| 35. | Mass Effect - Peak 15 | 15 | | Mass Effect
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| 36. | Mass Effect - Snap Inspection | 15 | | Mass Effect
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| 37. | Mass Effect - On the Normandy | 14 | | Mass Effect
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| 38. | Mass Effect - Wrex and Garrus | 14 | | Mass Effect
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| 39. | Mass Effect - Rogue VI | 13 | | Mass Effect
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| 40. | Mass Effect - Rita's Sister | 13 | | Mass Effect
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| 41. | Mass Effect - Espionage Probe | 12 | | Mass Effect
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| 42. | Mass Effect - The Fan (Part 1/3) | 12 | | Mass Effect
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| 43. | Mass Effect - Besieged Base | 12 | | Mass Effect
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| 44. | Mass Effect - Distress Call | 10 | | Mass Effect
|
| 45. | Mass Effect - Hades' Dogs | 10 | | Mass Effect
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| 46. | Mass Effect - The Fan (Part 2/3) | 9 | | Mass Effect
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| 47. | Mass Effect - Find Liara T'Soni (Part 2/2) | 7 | | Mass Effect
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| 48. | Mass Effect - Matriarch Benezia | 7 | | Mass Effect
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| 49. | Mass Effect - Geth Incursions | 7 | | Mass Effect
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| 50. | Mass Effect - Expose Saren | 6 | | Mass Effect
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| 51. | Mass Effect - Find The Beacon (Part 1/2) | 6 | | Mass Effect
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| 52. | Mass Effect - Doctor Michel | 6 | | Mass Effect
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| 53. | Mass Effect - Find The Beacon (Part 2/2) | 5 | | Mass Effect
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| 54. | Mass Effect - Hostage | 5 | | Mass Effect
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| 55. | Mass Effect - Homecoming | 4 | | Mass Effect
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