Set your angle by tapping in front of the cannon. Then hold down the fire button to increase the power, releasing to send the cannonball flying. The cannonball explodes when it hits at too slow of a speed to do damage.
Manage your ammunition consumption. Search for and destroy armory rooms first to capture more ammo.
Drag the screen from the right side to examine your target, looking for key rooms and weak points.
• Multiple ammo types for different situations.
• Choose your path through the levels, get stuck? go around!
• Search for key rooms to destroy earning stars. 1 star unlocks the next levels.
• Stars earned in a level are etched into your cannon.
• Aim high to bounce your cannonball vertically on a wall.
• Aim direct at penetrated spots to do serious damage.