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