Your mission is to destroy all enemy planes and rescue people as much as possible.
After mission completed, the next level will be unlocked.
Higher level have a stronger enemy, so, you need to upgrade your plane using game coin that you get after completing a level, a coin you get depending on how much people you save or enemys you destroyed.
Touch : Touching any screen to move plane to your touch position
Mouse: Move cursor to control plane, hold "left" button mouse to move plane forward or backward