A super frantic Arcade Tower Defense, McDROID starts gently then progressively challenges your trigger finger and your wits (and your sanity) as you multitask like a robotic-spider-doggy-thing: running, shooting, building base, herding, healing, harvesting, repairing, planting, upgrading, researching, frying giant snail-hammer-thing with a giant-tesla-on-your-back (it actually happens).