This game gets better every time I play it. The campaign was kinda lame, and the first difficulty level is simple. But then you turn it up and everything is really cool. You actually have to barricade routes and keep an eye out for police stations to raid.
Dood, barricades are silly at 10 boards. it is always better to spend those 10 on a higher tower. You get more extra shots with the range than you do with the moment a barricade stops a zombie for.
Dood, Bang tutorial level; "That sniper tower will take care of them". The two zombies walk up to it, he whiffs, they kill it and my base. Worst tutorial mission ever.