Terraforming Mars: Ares Expedition - Crisis is an expansion to the competitive card game Terraforming Mars: Ares Expedition. This expansion requires the base game to play and adds a new layer of strategy as players work together to overcome crises and maintain Mars' habitability. With each round, a new Crisis card presents a challenge that must be met to prevent the terraforming metrics from lowering. Players must use their skills and resources to overcome these crises and ultimately win the game by successfully re-terraforming Mars. Get ready to take your game to the next level with Terraforming Mars: Ares Expedition - Crisis expansion!