Playing Lean is a business board game that teaches the fundamentals of the Lean Startup in less than 90 minutes. It plays as a classical board game and ignites a competitive startup spirit. The concept has been developed in collaboration with Ash Maurya (@ashmaurya), the author of the best-selling book Running Lean and the creators, Simen Fure Jørgensen (@simenfur) and Tore Rasmussen (@ToreRasmussen)