Description: It's the same concept as warcraft defnce. If you play the game before and liked it, you'll love this as well. If you haven't tried it yet, what're waiting for? this is one of the most addictive flash games online. In case you don't know how it plays, i'll explain a little. You build tower to prevent the dust to get across other side, different tower has different ability, roll over the tower and you should see more details description. Each tower can be upgrade several times too. You have 20 lives before the games is over, that's mean if you let 20 dust get pass you, you're game over.