Blast is a challenging shooting game on www.flash-games.net. The United Protection Association has commissioned you to protect your system from invading forces. Use your mouse to control your ship. Aim and click your left mouse button to shoot the invaders. Blast the invading fighters to prevent them from getting past your defense. Watch out！If you crash all four of the star ships provided for your use, you will be decommissioned. If you can prove to be the UPA that you have skills, you will progress to tougher battles. You will be provided better weapons to help you along the way. The UPA will award all who reach 5000 points with the title of “Commander” and begin training them for tougher missions. Have fun!