In this definitive collectors edition, you can explore the horrifying extent of the Sub Terra world, with the core Sub Terra game as well as all three modular expansions, introducing 3 new caver characters, new horrors, items and new game modes. Also included is the Sub Terra Graphic Novel, illustrated by David Thor Fjalarsson and the Sub Terra Development Diaries, with development notes from the entire Sub Terra team on how they brought the huge project together.