Backpack Shooter: Z Defense is an action-packed game available on Android that immerses players in a thrilling zombie apocalypse scenario. Players take on the role of a lone survivor equipped with a customizable backpack filled with various weapons, gadgets, and upgrades. The game features intense gameplay with auto-aim shooting mechanics and dynamic combat, allowing players to fend off relentless waves of zombies while collecting powerful loot to enhance their defenses.

The game uniquely blends idle and roguelike elements, enabling players to upgrade their arsenal between battles and choose random power-ups during combat. With a variety of heroes, each possessing distinct abilities and playstyles, players can strategize their approach to survival. Endless defense modes challenge players against hordes, bosses, and elite infected in diverse post-apocalyptic environments, providing a rich gaming experience where players can loot, upgrade, and ultimately strive to become the ultimate zombie slayer.