Portals riddle the planar metropolis of Sigil, providing access to anywhere in existence, but only if you have the proper key. Known as the “City of Doors,” Sigil is a neutral ground where any and all races from across the Multiverse may gather under the watchful shadow of the Lady of Pain, the city's enigmatic ruler. This is a place where the word is mightier than the sword, where thought defines reality, and belief has the power to reshape worlds.

Sigil is a Planescape-inspired medieval/renaissance fantasy sim with a custom HUD, player-made/run guilds, player-driven RP, and a dynamic build that changes with player choices.