Hm. Programming and physics not up to spec in my opinion. There are much better games than this one in this genre. Needs more work and playtesting. 2.5/5
Immaculate desk is a great badge to get. My strategy: You need to build a maze to kill ground based as cheaply as possible (by forcing the creeps to go back and forth through the turrets!) and build a strong anti-air in the centre: 12 fully upgraded anti-air, some boosters + slowturrets by the end of the game. Build up the anti-air gradually to kill *all* flying creaps to maximize cash.
Finished all levels. Some levels wont complete initialy due to tiny wobbling. Not a bug in my view. They do complete if you make a cleaner design. Some levels seem very easy and others very hard. Some levels require the dropping of peices 'inside' a stack. With some experimenting you get the hang of this tactic.
 "Dynamic Systems"){kind=icon}
 "Desktop TD Pro"){kind=icon}
 "Balloon Invasion"){kind=icon}
 "Desktop Tower Defense 1.5"){kind=icon}
 "Cell Warfare"){kind=icon}
 "Maze Stopper 2"){kind=icon}
 "Perfect Balance"){kind=icon}