Your mission in this mix of a strategy game and a puzzle game is to destroy the red forces by building space ships before the time runs out. You have to play the puzzle game on left side to earn earn money. It is easy matching game, just use YOUR MOUSE to click on a group of matching jewels to remove them and get money. If you click on a single jewel, you will lose money. You also get cash when killing enemy ships. Use earned money to build space ships. Press "X" KEY to set the ships to attack enemy ships or "Z" KEY to set them attack buildings. Good luck!