Terraforming Mars: Ares Expedition - Crisis ExpansionTerraforming Mars Ares Expedition: Crisis, players will play as corporations,just as in the originalAres Expedition. You choose phases and play project cards asnormal. The difference is players are working together to keep Mars habitable aftera natural disaster has landed the planet in crisis. Every round, a new Crisis card willbe drawn that will require the players to achieve a certain goal to remove that crisisfrom play. Each turn that a Crisis card