Here is the full list of all 28 Human or Not achievements.
Successful detection of all passengers on the first day.
Successful detection of all passengers in the game.
Finish the game by migrating to the new Sikten homeworld.
Get yourself arrested.
Get yourself killed by an alien.
Get paid for doing illegal work.
Complete the game on the hard difficulty.
Complete the game.
Finish the game by getting yourself detained on Kepler Prime.
Survive an alien attack.
Complete the first day.
Get yourself fired.
Complete day 5.
Complete day 10.
Complete day 15.
Complete day 20.
Romance Lin.
Meet Matt Miller the famous astronomer.
Free the Sikten refugees.
Complete the game by being executed by the Vatnaks.
Complete the game siding with the Vatnaks
Complete the game drifting among the stars.
Arrive at Kepler Prime.
Confuse the Vatnak official, but let it pass as a human.
Ensure Earth's survival.
Let the green alien on day 2 pass as a human.
Become employee of the week.
Receive the Golden Button badge.