need ideas and feebacks

[Muhahahahaaa]

hey folks

i am working on a team based mass units tower defence, best you have a look at it, and wanted to ask if anybody got some ideas how to improve the team element in this tower. Just making different races, with specializing in anti air, dmg dealer, slower and so on is kinda boring. It's not a maze, a pur td like blizzard azurblue is. Terrain is finished already but no waves yet.

thanks to all answers