Originally Posted by Human X
TowerMadness is a very good freemium TD game. The iAP's are just extra, better weapons or different maps. If you like bright neon graphics, Radiant Defense is also really good. Bloons Tower Defence is a classic TD and probably one of the best.
We're close to submitting the next TowerMadness v1.18 update. It will include 7 new FREE maps and a new weapon upgrade. This will apply to all versions of TowerMadness both for iPhone and for iPad. We'll preview a new map each day on our TowerMadness Facebook Page
Check it out
Let me know if you have any questions