Maneater is a game in which you play as a shark seeking revenge against the fisherman who killed your mother, and that’s the least insane sentence I will be writing about it. It’s a cartoonishly violent adventure loaded with massive set pieces, speedboat ‘splosions, miniboss battles with exotic marine life, and tongue-in-cheek narration by Chris Parnell. It’s like if Michael Bay made Jaws and was forced to give the shark half of his cocaine. And in a summer devoid of blockbusters, Maneater happily lurches in to take the spot of “triumphantly ridiculous thing I can …