Thing - information about a person/animal.ThingReservation - Details what a Pawn (person/animal) is doing/going to do.The research completes when Progress is more than (or equal) to TotalCost. ProjectList - Contains the state of each of the research projects available in the game.Resources - Contains information about each of the available resources in the game.World data is saved into the map file, to allow multiple saves on the same world without confusion. rws, and can be read with any XML reader or Notepad.
Rimworld's save files are written in XML (Version 1.0) and contain all the information about the state of the game.