i know a secret! when in defense mode, use the barrels in front of zombies and a turret will shoot it, keep unloading barrels because you then have an explosive tail! it works best on expert and nightmare.
Thanks to mockingpenguin
Keep This Alive
How to get special monsters Hobbits: Read instructions and view credits Dwarf: Play the game 3 times Bombermans: lose 3 times Angel:Get all races maxed out in upgrades Red dragon: Kill "The End" boss Devil: Kill the very last boss Keep This Alive