Tap the screen to start your monster hunting adventure. Employ the right side of the screen to guide your character backward. Gather coins and power-ups to boost your abilities. Aim at monsters by sliding your finger on the screen to position your shooter. Click the shoot button to eliminate monsters. Avoid obstacles and enemy attacks to remain in the game. Achieve levels by reaching the end point or overcoming all monsters. Upgrade your weapons and skills to confront more challenging monsters in later levels.