for online they should make it so you have a certain amount of to make your character like 3 builders 2 recruits and 1 mage but each thing you increase costs a certain amount of points so your not making it to insane and able to add bricks crystals and weapons
to beat it on the hardest difficulty just keep sending out the club guys and never evolve and it will end up glitching were theres like 100 in one spot and they get insane.
try and keep my comment alive for others who are wondering. MJ- Destroy the grave in Jamaica (Mexico) Tank - Kill him in Qandahar (Middle East) Boomer Santa- Kill Santa in Nuunok (Greenland) Col.Sanders - Kill him in Kentucky (America) Ronald McDonald - Kill him in London (Europe)[also found in Silent Town (america)or other places] Venom - Kill Spiderman in New York (America)