This morning for no obvious reason, I remembered the Fuel Rats. Elite:Dangerous is an MMO space sim game, with a big galaxy in which you fly a spaceship doing stuff. Spaceships need fuel, which you buy at stations, or if you have a fuel scoop you can skim the surface of certain stars to get usable fuel. Space is big though, and it's quite possible to run yourself low on fuel in a way that you can no longer warp to any inhabited system to refuel. At which point you're screwed.