Prelude




 * As the megacorporations 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!

Prelude is the third expansion to Terraforming Mars. Featuring 7 project cards, 5 corporation cards and 35 prelude cards, the expansion was released in 2018.