computer gamesimulation backup plan:return home/Bprogram：start out on a journey to expand the population/Plan B: Terraform
Action Adventurecomputer game land of no sleep:The Witch and the Spell/Never Grave: The Witch and The Curse
computer gamerole-playing (as a game of chess) lit. the place where the nest is overturned (idiom); fig. a disastrous situation/Nested Lands
