On my third attempt I quickly amassed an impenetrable defense. even after encountering a bug where i could no longer click on buildings or deconstruct them. 8 apartments a few combat buildings 4 recyclers, a casino, 6 houses. I have every upgrade, infinite money that I can't spend because I can't remove any weaker buildings. 500 busters at any one time. The enemies scaling ceilingis too low to ever die at this rate. Loved the game. I would pay for a challenging version of this with a tad bit more variety. Very fleshed out for what it is.