Poison and slowness don't seem so great.
I get best result using one tower on each level, upgrading it as much as I can, with 1 range and maximum possible speed, fire, and lastly tesla.

Tower problem

Need to fix the towers taking so long to shoot enemies when they enter range. Loved the tower customization tho.

good start, but...

i really like the game, but i've noticed a huge problem very early. sometimes, the tower won't fire at the target until it's almost completely out of range, after it already goes by...being a HUGE tower defense guy, i find this to be very frustrating

pretty cool

been playing for a few minutes, great so far
i like the multiple types that you can add.
you should add a quick instructions part at the beginning, and tell the player about the exp system.
The graphics could be better, and there needs to be a speed up button.

Could Be a Lot Better

This has the potential to be a really great tower defense game. I like the ability to customize the towers. That is the game's strong point. The ability to move up and down levels also screams potential. But not enough was done with these elements. The targeting AI on the towers isn't really intelligent. Since the towers can be customized, there should be an option for this. There should also be a way to carry over success from previous levels to new ones. The way the game is set up, it has the feel of just a bunch of mini-towers games, all of which are the same. I like the challenge of the game, and going back over levels to improve on the previous performance. But because of the minor details, especially the AI of the towers, I just couldn't get into it.