Terraforming Mars: PreludeNumber of Players: 1 5 "As the mega corporations are getting ready to start the terraforming process, you now have the chance to make those early choices that will come to define your corporation and set the course for the future history of Mars this is the prelude to your greatest endeavors! Terraforming Mars: Prelude introduces the new Prelude cards. At the start of the game, each player chooses from Prelude cards that jumpstart the terraforming