Doom Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

This is a fiction/fan codex: entries describe an in-universe canon. Our audits check canon and internal consistency — external fact-checking does not apply the way it does on real-subject codexes.

Last full accuracy audit: 2026-08-27 · 30 entries checked · 9 flagged · 19 issues confirmed · 9 corrected · 10 still open

Recent findings (audit lane, verbatim)

Doom Slayer — The Doom Slayer was never affiliated with the Maykrs as an instrumental ally; in Doom Eternal lore, he actively opposes them and their relationship is adversarial.

Seraphim — The entry incorrectly states the Seraphim 'serves the Maykr'; in canon, Samur Maykr (the Seraphim) is a member of the Maykr race and acts as their leader/representative, not a servant.

Seraphim — The entry claims the Seraphim is entirely distinct from Hell/Hellborn and opposes them; this contradicts Doom Eternal canon where the Seraphim transforms into the Icon of Sin, a demonic entity.

Davoth — Davoth is not the creator of Hell; according to Doom Eternal lore, Hell is a primordial dimension that existed before Davoth, and Davoth is the creator of the demons and the Dark Lord, not Hell itself.

Davoth — Davoth is explicitly named in Doom Eternal as the Dark Lord and the source of the demonic invasion, but the claim that he is 'not explicitly named in Doom Eternal lore as the Dark Lord responsible for Earth's first invasion' is misleading; he is indeed the Dar

Doom Slayer — The Praetor Suit is stated to be 'constantly repaired by his own indomitable spirit' — this is not established in canon; the suit is empowered by the Slayer's rage but is not described as self-repairing via spirit.

Doom Slayer — The claim that the Slayer 'wields the Seraphim's technology' is vague and potentially misleading; the Seraphim (Samur Maykr) granted him power via the Divinity Machine, but the Slayer does not wield Seraphim technology as a general toolset.

BFG 9000 — The BFG 9000 first appears in Doom (1993) on level E1M8: Phobos Anomaly, not E1M3: Toxin Refinery.

UAC Mars Incident — The entry states the gateway to Hell was opened on Phobos, but in the original Doom canon, the initial breach occurred on Deimos, not Phobos; Phobos was invaded after the breach.

UAC Mars Incident — The entry claims UAC scientists had no ancient warnings in their research logs, but the original Doom manual explicitly states that scientists discovered ancient writings and warnings about the dimension during their teleportation research.

Mars Facility Awakening — The Doom Slayer was imprisoned by Sentinels due to betrayal in Hell (not a rampage on Mars), and his sarcophagus was discovered on Mars by the UAC rather than him being imprisoned at the facility.

Doom Slayer Centuries Imprisonment — The Doom Slayer was imprisoned by the Maykrs due to a betrayal regarding their pact with Hell, not by his Sentinel allies.

Doom Slayer Centuries Imprisonment — The UAC discovered the sarcophagus on Phobos; they did not transport it from Sentinel Prime.

Open data

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Corrections

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