JJ's Pizza Shack in Portage, IN (6275 Central Ave) is a family-owned, casual pizzeria known for loaded thin- and thick-crust pies like the Kitchen Sink and Supreme, plus wings and sandwiches, with convenient online ordering and late-night hours; the cozy spot also features a small arcade area with five pinball machines, making it a popular, budget-friendly choice for families and pinball fans, while reviewers praise friendly service and generous toppings though experiences with consistency can vary.