in zombie attacks instead of always leaving it to chance, make it if we have more defence than zombies its 100% that fort held and if there less defence than zombie then leave it to chance (how it is now)
There is a save option when you exit the game and come back where it asks you what tanks you want at the bottom it says "Use saved avatars from previous games" which will load your last tank.
Too many rockets come out the rocket launcher and make it lag, Reduce the amount of rockets that shoot out but make it stronger or something. Or make it more realistic and just make on strong rocket shoot straight out
lol I love how whenever I find the solution or I'm about to or even when I'm doing the run that will finish the level the music gets so upbeat, exciting and happy :)