I found the easiest way to get all upgrades was stupidly there. Go down each column from top to bottom, ignoring how long it takes you. Do the final one bottom to top. XD It was the only way I could win
@Ivo: You don't have to start over every time you play the game. If you do not play at least once in a week, your data will be deleted to save server memory.
Kinda like a gemcraft, nanowar, and other stuff all stuffed into one game. And not as good as any single one of them. Needs something more, but it has potential.
The final "boss" may weaken all your spells to like nothing....but really the turrent like spell never truly loses its power. Set a bunch of those at any power and your good
Eh...With a bit of grinding its all too easy. Just grind on level one for a bit, then two, then four, then five, and so on. Just go to the one maybe....three levels below yours, so you can easily beat it for the points
Shotgun. Ammo. Biker leathers. LOCK and barricade the door. If you want a A,A+ do the stuff logical. Don't try and kill 100 zombies at once, or destroy a ravenous horde of murderous monsters