4,000-square-foot Nerf blaster arena slated to open in N.J. Updated Mar 11, 2021; Posted Mar 10, 2021 Pups of War, which has two locations in Hawaii, plans to have a soft opening for a Nerf blaster arena in Central New Jersey by the end of April.courtesy of Daniel Hazlehurst Facebook Share Kids and adults alike will soon be able to dive and dodge from foam Nerf projectiles inside a 4,000-square-foot arena with New Jersey themes at a mall in Middlesex County. Pups of Wars, a Nerf blaster arena with two locations in Hawaii, is tentatively slated to open another at the Brunswick Square Mall in East Brunswick by the end of April. It gives players the fun of a paintball game but without the bruises, said Daniel Hazlehurst, Pups of War vice president of regional operations.