Click on the screen to move your commander through different missions. Gather coins scattered across the mission to buy first aid kits and improvements for your soldier. Avoid zombies and enemy soldiers to remain in the game. Deploy first aid kits to recover your health when hurt. Overcome zombies and soldiers by shooting them with your arms. Complete each level by fulfilling the mission objectives to move forward to the next mission. Plan to use wisely your resources and maximize your chances of completing the mission.