This game is toooooo easy. Just play early levels to increase money and the game is won. Graphically is to dark and the ships are too big. I get all the badges and now I forget the game. Pity
I finished it in hard mode at first attempt.. It's a satisfation to end a game but if i finish a game is beacsue it is too easy... My suggestion: charachter faster without "speed point", exp due to killing until the 10th-15th wave and after then only on flags. In any case, a really funny game. 4/5
What browser/os are you experiencing problem with? Thanks