Thank you!! Glad a tower defence fan enjoyed it.
I myself am not a big fan of the genre, mostly because I don't like the finality of placing a tower and not beeing able to move it,.. so that's how this mechanic was born ^^
Fire towers heat up.
Frost towers cool down.
Water towers apply a WET effect:
WET enemies cool down twice as fast.
Only WET enemies can be stunned with a Thunder tower.
^^^^
That's the gist of the tower mechanics. I did have this information pop up during gameplay, but I think I'd need some images to make it clearer.