Cairn is a newly released survival adventure simulator where you play as pro climber Aava attempting the first ascent of the unforgiving Mount Kami. The core gameplay loop involves meticulous route planning, careful management of climbing resources like pitons, and moment-to-moment survival against the elements. This main game focuses intensely on the vertical challenge of technical mountaineering, blending high-stakes resource management with a narrative about personal sacrifice on the mountain.