I have always imagined the original idea for NinjaKiwi's monkey vs bloon idea from seeing a monkey getting scared after hearing a bloon pop near it. so NinjaKiwi made multiple games where the monkeys get there revenge on all bloon kind. and so you see the bloons started the war with the monkeys.
a few potential ideas for an update: (1) get some mods to increase/decrease the heat a cannon can hold before it needs to be moved (increase for the people who want to use bullets more then the explosion from the heat release and decrease for the people who want more of the explosions.) (2) option to remove mods from the storage. (3) there are a lot of enemy ships but you don't get knowledge on all of them maybe have info for them somewhere. (4) Speed up button. (5) multiple difficulty levels.
If people agrees with these please +Plus+ this. Also Good Game.
found a solution to the problem with the minigun that mrcool275 commented on: step 1. run from the zombie as fast as you can (be careful the zombie will still be in range to attack you). step 2. start firing the minigun. step 3. turn in the direction of the zombie while still doing step 2 and the zombie will get hit (WARNING if you slow down even a little before turning the bullets will miss the zombie). please + this if this works for you.