The founder of a small business called Mayhem is building out three rage rooms and two paint splatter rooms at 52 Alder St. in Portland’s West Bayside neighborhood. “Rage rooms have been on the rise ...

iSmash, a fast-growing interactive entertainment brand known for its rage rooms, splatter painting and ax-throwing, plans to open in December in Stuart, according to a news release. The ...

Three 9-year-old boys armed with paintbrushes set their sights on the canvases hung on the black walls. They sent the paint flying, ending with a satisfying splat. Over the course of an hour they ...