The actors did their things well enough. The writing/material was crap. I know the people who make these spoof movies have done much better with Disaster & Epic, but it seems when they limit themselves to one main theme they cannot keep it as funny. Spartans, Starving, Too Fast, & Vampires all fall short for the parody/spoof genre.
Save your money & go watch Movie 43, Kentucky Fried Movie, Spaceballs, etc.