Fun, but...
Well, Like the last guy who reviewed this I had a ton of fun playing this also like the last guy once I got the best weapons there wasn't much point in playing it.
Unlike the last guy I went with quality shots to succeed.
I stretched the magnums out until I got all the power ups I wanted and then started buying extras just for fun.
Fun weapons to aim for are:
Desert Eagle, AKA: point and they die
GAU-8, AKA: Spray and pray
lastly the laser cannon, AKA: Burning swathe of death
Anyways, once I got those weapons I played until about 2 PM the second day, saved and decided to write this.
Great defense game, just too bad it's limitless so people who are good at these games will lose just to move on to something else.
Also on a monster note, it was pretty sneaky making those 4 legged creatures a deep red so they can attempt to sneak up on you or your base amidst the crimson zombie carnage.