In it's prime time everything was unique about the game there wasn't really anything like it other than stickarena, it had so much potential, but now in 2020 with the amount of free to play games and flash dying, its nothing but a dead flash game with only the old timers keeping it alive.
It could have played out so much better if changes where made like 8 years ago, for example from a 2D top-down-shooter to 3D like the game deadfrontier. They started of as a 2D top down survival game witch was unique at the time, the developers stuck with it over the years because they knew they had something unique, now 12 years later they are still a successful game peaking over 2k players a day.