Q: What type of game is this? How do you play it? A: This is an upgrade-based shooting defence game centred on eliminating zombies. Players control the core character to shoot zombies and defend the sanctuary, with automatic-attack snipers and rocket troops providing support throughout. The core gameplay involves earning gold coins by clearing levels to upgrade weapons, skills, and talent trees, thereby enhancing your capabilities to withstand the high-difficulty zombie invasions later on.