After starting the game, click on the round button at the top left to open the menu mod with the following options:
Go through the zombie apocalypse to save your family. Collect the arsenal of powerful weapons and do everything possible to survive. All you need is to move! In a world where no one is safe, how far will you go for your family? Go through the story mode with several endings - complete 7 chapters, 60 stages and hundreds of side quests. Powerful weapons and ammunition - unlock and pump explosives, melee weapons, firearms and much more!