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