Press the screen to begin your mission in Counter Craft 4. Employ the movement buttons to move your character around the arena. Target at the undead creatures by swiping your finger across the screen. Click the fire button to defeat zombies with your equipped gun. Swap weapons by choosing from your inventory to adjust to different scenarios. Gather power-ups scattered across the level to keep fighting. Endure each round of zombies to advance and unlock new weapons. Avoid special zombies that require different strategies to overcome.