Scott Nicholson is trapped. He’s stuck in a submarine—and it’s sinking. Water is pouring into the room, and he needs to plug the hole before he and his crew drown. Time is ticking, and the water is relentless. Luckily, Nicholson teaches game design. In just a few short moments, he’s able to solve a puzzle that triggers stoppage of the water, saving the crew and winning the game. This is one of 200 escape rooms that Nicholson has played in the past year. The man doesn’t do it just for…