Arcanum Unbounded was released on November 22, 2016 by Dragonsteel Entertainment, LLC. The compendium contains numerous stories including the following:
- The Drominad System
- The Rosharan System
- The Scadrian System
- - The Eleventh Metal
- - Allomancer Jack and the Pits of Eltania
- - Episodes Twenty-Eight Through Thirty
- - Mistborn: Secret History
- The Selish System
- - The Emperor's Soul
- - The Hope of Elantris
- The Taldain System
- The Threnodite System