uhhhh way too easy for one...not enough missions and a huge bug: i was playing defense mode and first of all, as you progress, the game seems to gradually slow down, which is inconvenient and makes the game boring. i got to wave 20, and it just decided to stop letting me play by taking away all my ammo. thats right, i would reload (in super slow motion) and there would still be zero shots left. it started out as an alright game, however it went downhill very quickly. good idea, just could have made it a lot better.
way way way way too hard.... its not fair enough when you go to search for things, because it seems that (for the most part) the only thing you get is rifle ammo...i got up to the second location and still had no survivors...3/5