Here is the full list of all 33 Transistor achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Inspect all completed Function Files.
Inspect 10 completed Function Files.
Create a Function combination requiring 12 MEM.
Recurse through the story.
Inspect all completed Limiter Files.
Achieve User Level 24.
Upgrade a Function with a copy of itself.
Complete each Performance Test.
Clear every Test.
Inspect five completed Function Files.
Complete each Agency Test
Unlock every Upgrade Slot and Passive Slot.
Complete five encounters with five or more Limiters in use.
Complete five encounters with all 10 Limiters in use.
Clear one of each Test.
Complete each Speed Test.
Unlock 32 MEM.
Achieve User Level 16.
Unlock every Process Limiter.
Complete each Planning Test.
Unlock every Transistor Function.
Complete the story.
Confront Royce beyond Cloudbank.
Deal at least 2048 damage in one Turn() in the Practice Test.
Complete each Stability Test.
Confront Grant and Asher at Bracket Towers.
Confront the Spine at the Bracket Towers facade.
Achieve User Level 8.
Use 10 different OVC Terminals.
Deal at least 1024 damage in one Turn() in the Practice Test.
Complete five encounters with one or more Limiters in use.
Confront Sybil at the Empty Set.
Reach the Goldwalk District.