The Firefly RPG made quite a splash when it dropped earlier this year. The game, powered by the latest iteration of the wildly popular Cortex Plus system, was custom-built for the kind of wild action and over-the-top heroics that were the hallmarks of the TV show. I’m happy to report that the game’s first major sourcebook, Things Don’t Go Smooth, extends the line and adds even more details, options, and adventures to the original game.…