Bravo!!! Just a few pointers, though.
Graphics, style, sound, violence and humor (I chuckled at some of the zombies' appearances, not as if they were badly drawn, just, grotesque, as they should be).
Bloody brilliant game, I really enjoyed its weapons and survivors aspect.
Couple of pointers, though:
1. None of the weapons had any real recoil.
2. I couldn't stop the reloading in all but the 8 shot shotgun, and even then it was annoying - it took too long to stop reloading.
3. The aiming should be different for each weapon - a sniper-y reticle for the sniper rifles, etc.
4. The body armor shouldn't be impossible to shoot through. I must have used 2 M4A1 clips on one soldier's chest armor (killed him with a headshot or two). But no body armor can stop 60 5.56mm rounds. Make it so that the armor can only take, in the SWAT guys' case, 2 5.56 rounds, unlimited shotgun and pistol, but only 1 sniper round, and in the soldier's case, add a few extra 5.56 rounds and 7.62 (AK) rounds and another hunting rifle round. Barret should blow through everything, though.
5. Perhaps consider adding different barricade upgrades.
6. You could change the "hours" to "man hours." That way, if you have, say, 5 guys, you would have 60 man hours, and you could allocate them in a more strategic manner.
7. More weapons and more weapon upgrades, such as incendiary rounds, steel core bullets etc.
I don't have anything else off the top of my head, but I loved the game and these suggestions are nothing more than suggestions. Don't take them the wrong way. It's a 100% A++++ incredible game, and it's even better than Zombie Horde 3.
