protect the barrier from various hot air balloon or cart types. press cannons to prepare to fire, press collectors to gain more fuel. press transfer to put fuel from your collectors into your cannons. if you have 50 coins you can press 1 to fire a swarm of minature rockets or press 2 to fire 6 spinning blades. also for 100 coins you can fire a heal beam for your barrier.
I made this like a tower defense game but you already have your towers. And no the bottom towers are not filled with clash of clans elixir. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (:Current version:) V0.1.4? beta -trying out sound effects -few changes to anything else, even if so they are minor