Four months ago, the world changed. Electronics failed, and screens began appearing in front of everyone’s eyes, granting humanity abilities, classes, and skills directly from a game. While the apocalypse was happening, John ended up in the Klondike National Park, and he manages to break free and get to Whitehorse. Unfortunately, the System hasn’t finished with humanity yet, and dungeons begin to appear—bringing along stronger, tougher, and smarter monsters. Can John and his friends level up enough to survive?