great game but i can't upgrade
This game is very fun though hard. I made it to level 28. Some people complained about it being hard to switch weapons properly, but you can just remap the keys to your liking. It is also a good time-waster.
:) I lasted until wave 11... yey?
Anyways it's a nice challenge, but I think it's meant to be impossilbe for anyone whom is playing it :P (just look at the spike in weapon upgrades when you've reached lvl 4?)
They keep getting me at wave 10.
Still one of my favorites though.