In part 1 of this series, I described how Mongoose Traveller’s spaceship mortgage rule becomes the drive for adventure and action in a spacefaring sandbox, and the ‘autonomous’ gameplay loop that follows. In part 2, I talked about how Traveller’s Patron system gives the DM a tool to pull the party out of the 'loop’ and into more traditional adventures. In part 3, I talked about Traveller’s unique character creation system, and how it supports the previous two systems, and how to a...
