Here is the full list of all 69 Bit Shifter achievements.
Clean 100 Kilobytes
Level up to Sherlock
Destroy 1,000 Enemies
Find a hidden Major Bug between buildings
Beat the Boss on System A
Level up to Mentat
Beat 20 Missions
Fix 100 Bits
Clean 50 Kilobytes
Level up to Hacker
Get 3 Stars on any Five Missions
Find a hidden Major Bug
Level up to Code Monkey
Beat Ten Missions
Throw 100 Bits
Pick Up 100 Bits
Level up to Technician
Find Major Bug outside of bounds of mission
Clean Ten Kilobytes
Destroy 100 Enemies
Level up to Apprentice
Clean One Kilobyte
Use a Turret to get behind Boss Half Shield
Level up to Doctor
Level up to Shockley
Level up to Hypatia
Level up to Ampere
Level up to Euclid
Level up to Ohm
Level up to Euler
Level up to Farady
Level up to Babbage
Level up to Maxwell
Level up to Erdos
Level up to Hopper
Level up to Noether
Level up to Ramanujan
Level up to Ada
Level up to Turing
Level up to Tesla
Beat 50 Missions
Beat 100 Missions
Beat 250 Missions
Get 3 Stars on any 25 Missions
Get 3 Stars on any 50 Missions
Get 3 Stars on any 100 Missions
Get 3 Stars on any 150 Missions
Clean One Megabyte
Clean Ten Megabytes
Clean 100 Megabytes
Clean One Gigaabyte
Clean Two Gigabytes
Clean Four Gigabytes
Pick Up One Kilobit
Pick Up Ten Kilobits
Pick Up 50 Kilobits
Pick Up 100 Kilobits
Throw One Kilobit
Throw Ten Kilobits
Throw 50 Kilobits
Throw 100 Kilobits
Fix One Kilobit
Fix Ten Kilobits
Fix 50 Kilobits
Fix 100 Kilobits
Destroy 10,000 Enemies
Destroy 50,000 Enemies
Destroy 100,000 Enemies
Get all Stars on all Levels in System A