Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Berkeley	Finish chapter 1.
California	Finish chapter 2.
Chaos	Finish chapter 4.
Characters	Talk to all NPCs.
Happy February 12th!	Launch the game the 12th of February.
Mars	Finish chapter 3.
The exegesis	Finish the game March 2nd.
Who are you Elvin Green ?	Finish the game.