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