Successfully complete the indicated task to unlock the 
corresponding comic:

Comic 1-1: Make your first game path decision (repair lights or
hostage situation).
Comic 2-1: Make your second game path decision after choosing to
repair the lights.
Comic 2-2: Make your second game path decision after choosing to
help the hostage situation.
Comic 3-1: Successfully complete game path A.
Comic 3-2: Successfully complete game path B.
Comic 3-3: Successfully complete game path C.
Comic 3-4: Successfully complete game path D.
Comic 4-1: Successfully complete any game path.