also fix issue with mission and ranking

Well the single player was fun, but it is very obvious from the reproduction rate and speed of many opponents that the game has been hacked.

I found this game by trying to find these old flash games on Steam, hoping there would be anything similar to it, and behold I found this game which is basically the same thing. So I am wondering if the same developer behind the Phage Wars games made Biotix: Phage Genesis...