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