Terraforming Mars Ares Expedition CrisisTerraforming Mars Ares Expedition: Crisis En 95543 : In, Terraforming Mars Ares Expedition: Crisis, players will play as corporations, just as in the original Ares Expedition. You choose phases and play project cards as normal. The difference is players are working together to keep Mars habitable after a natural disaster has landed the planet in crisis. Every round, a new Crisis card will be drawn that will require the players to achieve a certain