You can officially download both installments for free or purchase special editions from the creator's site:

: While the WAD is free, you can purchase versions that include high-quality soundtracks by metal legend Buckethead (Sigil) or Thorr ( Sigil II ). Installation Guide for PC

If you are looking to , you are seeking the unofficial fifth episode of the original 1993 Doom , created by its legendary co-founder John Romero . Released for Doom's 25th anniversary, Sigil serves as a spiritual successor to Thy Flesh Consumed (Episode 4), pitting the Doomguy against the darkest pockets of Hell to find his way back to Earth. Where to Download Sigil and Sigil II

: The free WAD files for both Sigil and Sigil II are available directly from Romero Games .

: As of August 2024, Sigil is included as an official release in the Doom + Doom II bundle on Steam and consoles.

To play the Sigil WAD, you must own an official copy of The Ultimate Doom (for the doom.wad file) and use a modern source port like GZDoom .