Medical Pavilion
  1. Security Expert: On a shelf in the Twilight Fields mortuary.
  2. Speedy Hacker: In the corner of Painless Dental.
  3. Wrench Jockey: In Kure All, through the crawl shaft on the floor.
  4. Hacker's Delight: Activate the furnace in the Eternal Flame Crematory.
  5. Static Discharge: In the Surgery Foyer next to Steinman's lab.
  6. Eve Link: Purchased at Gatherer's Garden
  7. Armored Shell: Purchased at Gatherer's Garden
Neptune's Bounty
  8. Wrench Lurker: Lower Wharf, near the edge of the walkway (after you get the 
  camera.).
  9. Focused Hacker: Inside Fontaine Fisheries, next to first pneumo tube.
  10. Medical Expert: On the lower Wharf as you enter the level.
  11. Extra Nutrition: Purchased at Gatherer's Garden
Arcadia
  12. Security Evasion: On the lower left area of Arcadia. It will be next to a 
  dead Houdini Splicer that is surrounded by four Thuggish Splicers.
  13. Hacking Expert: On the desk as you enter the Research Laboratories.
  14. Shorten Alarms: Purchased at Gatherer's Garden
  15. Human Inferno: Purchased at Gatherer's Garden
  Farmer's Market
  16. Eve Link 2: To the left of the entrance, near the Circus Of Value and 
  U-Invent machine
  17. Photographers Eye: In the bunk of the bottom floor of the winery.
Fort Frolic
  18. Alarm Expert: On the balcony of the fleet Hall. Jump to it from the 
  balcony next to it.
  19. Frozen Field: Search Matin Finnegan's corpse.
  20. Extra Nutrition 2: Down the stairs behind the main stairway of the main 
  atrium near Eve's Garden.
  21. Electric Flesh: In Cohen's dressing room. Must complete his masterpiece, 
  then go to the room next to the upstairs projection booth.
  22. Medical Expert 2: Unlocked by Sander after you complete his masterpiece.
  23. Hacking Expert 2: Purchased at Gatherer's Garden
  24. Bloodlust: Must be invented in the U-Invent machine
  25. Booze Hound: Must be invented in the U-Invent machine
  26. Hacker's Delight 2: Must be invented in the U-Invent machine
Hephaestus
  27. Frozen Field 2: On a desk in the bottom corner of the central core.
  28. Security Evasion 2: In Lower Heat Loss Monitoring on a desk.
  29. Damage Research: Secret crawlspace in the back of the lower workshops.
  30. Shorten Alarms 2: Geothermal core (after you deploy the bomb).
Olympus Heights
  31. Clever Inventor: On a desk in Suchong's Apartment.
  32. Electric Flesh 2: On a desk in Fontaine's Apartment.
  33. Speedy Hacker 2: Purchased at Gatherer's Garden
  34. Wrench Lurker 2: Purchased at Gatherer's Garden
Apollo Square
  35. Medical Expert 3: Second floor of Suchong's clinic.
  36. Focused Hacker 2: Fourth floor of the Hestia building.
Point Prometheus
  37. Safe Cracker 2: Autopsy room of the first floor of Little Wonders.
  38. Alarm Expert 2: On a filing cabinet in Point Prometheus.
  39. Damage Research 2: On a desk in the second floor library.
  40. Hacker's Delight 3: Next to Rosie helmets in Failsafe Armory.
  41. Human Inferno 2: Purchased at Gatherer's Garden
Tenenbaum Gifts
  42. Safecracker: Rescue 6 Little sisters.
  43. Armored Shell 2: Rescue 15 Little sisters.
  44. Prolific Inventor: Rescue 18 Little sisters.
Research Bonuses
  45. Natural Camoflage: Research level 2 Houdini Splicers.
  46. Scrounger: Research level 2 Leadhead Splicers.
  47. Sportboost: Research level 2 Thuggish Splicer.
  48. Photographer's Eye 2: Research level 2 Rosie.
  49. Wrench Jockey 2: Research level 2 Bouncer.
  50. Extra Nutrition 3: Research level 4 Spider Splicer.
  51. Sportboost 2: Research level 4 Thuggish Splicer.
  52. Static Discharge 2: Research level 4 Leadhead Splicer.
  53. Security Expert 2 : Research level 2 Security Bot.