Your mission in this fun shooting game is to defend your dirt pile with your ship against enemies. Use "W", "A", "S", "D" KEYS to move. Use YOUR MOUSE to aim and hold the LEFT MOUSE BUTTON to fire. Be sure to collect all available power-ups in the game as they will help you in your task. You can also buy defense turrets in the upgrade mode, place them by holding down SHIFT and then clicking with your mouse. Good luck!