Needs a lot of work...
The basic game is alright, but for a defence game it doesn't cut it. Shoulda had upgrades, or at least more weapons, and a lot more. Also not very origional, the whole shooting arrows thing has been done before. the Music also didnt really fit the game very well, maybe some more cave man sounds. I think if you added upgrades, more weapons, and just improved the overall game play is would rate higher, but it is just so boring and repetative. Hope you improve.