This game could of been so much better... but its way to hard. I had to constantly buy health over and over, so i couldn't buy guns. The skill points were near impossible to get, because by the time you finish a wave, there is already another coming. The reloading is to slow, even in the later levels. Personally, I think that the guns should reload even if you not using them, just to make it easier. This is still a good game, just way to hard.