The game "White Knuckle" features players embodying a character with only their hands, navigating upward by moving from one handhold to another. The gameplay is designed to be both intricate and simple, providing a sense of accomplishment while avoiding frustration. Players receive messages of encouragement and caution every 50 meters climbed, reminding them of the risks involved. The game offers a raw and unfiltered experience of climbing, challenging players to confront their fears and embrace the chaos of ascent.