It’s a spectacle that’s ideal preparation for playing Cairn, a game about the realities of solo mountaineering. Of course, the real meat of Cairn is the climbing itself, which you undertake one limb at a time. That’s because Cairn is also a survival game at heart, Aava’s body temperature, hunger, and health all need to be closely managed during her climb. Cairn review summary In Short: A flawed but brilliant mountaineering game that splices survival gameplay and a fascinating four-limb climbing system with exploration, risk-taking, and the emotional fallout from a climber’s loved ones. Pros: Immersive representation of the physicality of rock climbing.