I just found this stupid crack like game last week and it drives me nuts, I have tried reading some of the setups you guys do. And about the most I can get it level 60ish and just over 10,000 points. What has worked best for me is 4 by the hole... changing the outside two into ice cannons and then the two middle ones to snipers... then the same set up at the cake... then i fill in the inside with snipers.
Reading other posts it appears that there is higher then the sniper 2 and higher then ice cannon 1, but when do they come? After a certain amount of points or level has been achieved?
Hopefully someone sees this as I am wasting so much time just getting to the same score and its making me nuts