Here is the full list of all 12 AR-K achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Complete the second chapter
Unlock every terminal code
Keep talking! Be sociable!
Perform a speed run
Complete the first chapter
Put on the seductive dress
Combine 100 objects incorrectly
Buy 10 cans of Skunk
Read tons of descriptions
Behave, Citizen!
Find the retro video
Tell at least 3 jokes