The season of catastrophes continues!
Ex-spy and deserter Konstantin “Kal’ter” Kupriyanov has seen a lot in his life. But storming giant fortresses is something he has never had to do. On this arena, the Game of Survival runs by special, bloody rules. To survive the nonstop slaughter, you must solve all the riddles and find the way out. But doing it alone is absolutely impossible. Which means Kal’ter will have to, willy-nilly, find common ground with the undead—then go with them into the battle that will decide the outcome of the entire Game for him…