Merge & Load-Zombie Defense

The zombies are coming, you can pick up Gatling Tutu Tutu - but the gun barrel will turn red and the bullets will run out. don 't panic! Quickly use these blocks with numbers, place them on the table, and it will automatically fire for you! The larger the number, the more bullets there will be Two blocks with the same number can be combined to create a more advanced one! Double the firepower, the stronger the combination. From a Gatling to a barrage of automatic guns on the platform. How strong firepower can you synthesize, how long can you hold onto hope! Simple, rough, and refreshing synthesis - keep it up!