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Sigil

2019 level pack for Doom by John Romero
VideoGame expansion_add_on Q63171171
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Summary

Sigil is an expansion add-on[1]. Sigil draws 565 Wikipedia views per month (expansion add on category, ranking #92 of 237).[2]

Key Facts

  • Instance of: video game mod[3]
  • Composer: Buckethead[4]
  • Publisher: Romero Games[5]
  • Genre: first-person shooter[6]
  • Named after: sigil[7]
  • Followed by: Q137699045[8]
  • Developer: John Romero[9]
  • Part of the series: Doom[10]
  • Collection: Doom[11]
  • Designed by: John Romero[12]
  • Platform: Microsoft Windows[13], Classic Mac OS[14], Nintendo Switch[15], Xbox One[16], PlayStation 4[17]
  • Software engine: id Tech 1[18]
  • Distribution format: digital download[19], digital distribution[20]
  • Publication date: May 31, 2019[21]
  • Cover art by: John Romero[22]
  • Distributed by: Romero Games[23], Bethesda Softworks[24], Nightdive Studios[25]
  • Official website: https://romero.com/sigil[26]
  • Expansion of: Doom[27]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Sigil. Retrieved October 11, 2026, from https://4ort.xyz/entity/sigil-q63171171
MLA “Sigil.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/sigil-q63171171.
BibTeX @misc{4ortxyz_sigil-q63171171_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sigil}}, year = {2026}, url = {https://4ort.xyz/entity/sigil-q63171171}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Sigil — https://4ort.xyz/entity/sigil-q63171171 (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/sigil-q63171171 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 25d ago · Jakub Vrána · 2026-09-16 view diff on Wikidata ↗
    Databáze her video game id → 17202
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/54523|batch #54523]]: Databáze her representative"
  2. 9w ago · VGMaintenanceBot bot · 2026-08-07 view diff on Wikidata ↗
    Doom wiki id → SIGIL
    "/* wbsetqualifier-add:1| */ Mediawiki page id: 37146, Add qualifier to Doom Wiki ID `SIGIL`"
  3. 10w ago · LaserMoai · 2026-07-31 view diff on Wikidata ↗
    Named after → sigil
    Software engine → id Tech 1
    Collection → Doom
    Publication date → +2019-05-31T00:00:00Z
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Followed by: Q137699045"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.