Here is the full list of all 6 Discouraged Workers Demo achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
See all the event art. It would not be difficult.
Listen to all music.
Grant All Achievements.
Reach the ending! It would not be difficult.
Humans have to learn for a lifetime. After got a achievement, please checkout the Concept Archive.
Meet all the characters. It would not be difficult.