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.