Terraforming Mars: Ares Expedition is an engine-building game where players control interplanetary corporations to make Mars habitable and viable. It is a standalone game inspired by Terraforming Mars, featuring faster gameplay and over 200 beautifully illustrated cards. Strategy and decision-making are at the forefront, and the game can be played in half the time. Both new players and Terraforming Mars veterans will enjoy it equally. How quickly can you terraform Mars?.