A dimwitted Elvis impersonator, wig askew, looks blankly over the carnage as Richard Cheese’s elegiac cover of “Viva Las Vegas” soundtracks the zany bloodshed.

Slot-machine junkies bundling up their remaining pittance dodge the newly infected. And they’re consuming unsuspecting tourists just as quickly.

In Las Vegas, flesh-eating zombies are beginning to outnumber the casinos. During the opening credits of Zack Snyder’s Army of the Dead, you can nearly feel the director’s giddy smile stretching across the hedonistic melee.