One of the best ways you can use Project Sigil is to make amazing 3D maps that are tailor-made for your Dungeons & Dragons campaign. In Project Sigil, you can create enormous 3D spaces like taverns, ...

SPOILER WARNING: Icon of Sin goes into detail on the making of Sigil, John Romero’s expansion for the original Doom. As such, there are light spoilers on specifics such as elements of level design and ...