Simply impossible to keep up with a computer AI that can turn 6 turrets at once. Sorry, but that's a major flaw that makes later levels impossible to beat on anything higher than normal.
Why in the hell is it that if I change one bridge, it suddenly breaks every other bridge that I have on the map? Oh and apparently steel = balsa wood because steel freaking sucks.
ok what's the deal. completed all 30 challenges, but Kong is only recognizing that I completed 28. every race has all the stars filled, I've gone back and finished 1 race in each circuit, but no go on the hard badge. lame. 3/5 now
Here's a big hint that I just figured out.. you can highlight multiple nodes by clicking and dragging. would've made this game so much easier if I had known that at the beginning instead of on lvl 12.