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