The world has been occupied by monsters and they have captured your friend!. Grab your weapons, shoot monsters down before they come closely. Explore new adventures in exotic locations such as volcano, rain forest, underground world, arctic island, and more. Be careful, though. This place is full of danger: During playing, you can collect coins to unlock cool characters to defeat monsters. Please use your skills to save the world and your friend. Features: ◉ Pick your favorite soldier to play