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
Buy 10 cans of Skunk
Behave, Citizen!
Perform a speed run
Complete the first chapter
Put on the seductive dress
Find the retro video
Keep talking! Be sociable!
Unlock every terminal code
Combine 100 objects incorrectly
Read tons of descriptions
Tell at least 3 jokes