SALT LAKE CITY — The Nutty Putty caves are open for exploration, but only in a virtual setting. What the Nutty Putty game entailsPlayers can crawl, crouch and climb through history. “Considering the whole emotional weight of Nutty Putty … we didn’t want to put gaming mechanics into it,” Surmacz said. You’re learning (about) some interesting facts about Nutty Putty through audio cassette tapes that are scattered around the cave.”They even got an expert to weigh in. He said when he first pitched the idea of the Nutty Putty game he was met with some opposition.