...It was developed using Adobe AIR / Flash, includes desktop integration (taskbar icon, system tray, etc.), has various behavioural modes, and includes features like hiding the window, startup animation, etc., mostly as amusement or novelty. Modify the tentacle animation, change from simple png reading to automatic random movement. Update window menu interface, support drag window. Expand the optional range of cockroach sizes, but don't be greedy and be careful that system resource usage is too high.