Official · Portable MooseWhat it covers: Original episode dates, platforms, mobile launch, languages, rating, game description, and press-kit screenshots.
The Fast Facts table lists Episode Five as December 13, 2019. A 2020 date appearing once in the narrative history is contradicted by the official 2019 launch news and is treated as a typo.
Official · Portable MooseWhat it covers: Confirms the December 13, 2019 release of Memories and Dreams.
Used to resolve the date inconsistency inside the current Press Kit.
Official · Portable MooseWhat it covers: TBD release date, single-player format, Steam Early Access first, later console/mobile plans, team history, and all sequel screenshots.
No unannounced date or platform promise is inferred.
Official · Portable MooseWhat it covers: Confirms that Sal is male and that the Sally Face 2 date remains TBA.
Also confirms Sanity's Fall is a fictional in-world band.
Official storefrontWhat it covers: 35-achievement count, PC features, 12 supported languages, mature-content notice, and current Windows/macOS/Linux requirements.
Steam's December 14, 2016 date is the Steam launch; the Press Kit's August 16 date is the original Episode One release.
Official platform dataWhat it covers: Achievement names and total count.
Unlock routes are checked separately because the stats page does not explain every condition.
Established Steam Community walkthroughWhat it covers: Cross-checks all 35 unlock routes, Episode Three codes, Episode Four runes and tapes, and Episode Five color/puzzle routes.
Community-authored; only reproducible gameplay instructions are used.
Steam Community walkthroughWhat it covers: Confirms the 5364 clue order, batteries, Gear Boy, and hidden-sighting route.
Cross-checked against the complete guide.
Steam Community walkthroughWhat it covers: Confirms four seal locations, puzzle box flow, room 403, and all Larry conversations.
Cross-checked against a second Episode Two walkthrough.
Steam Community discussionWhat it covers: Confirms the easily missed second room-504 mattress interaction in Episode Four.
Used as a focused cross-check alongside the complete achievement guide.
Community playtime dataWhat it covers: Approximately 9 hours main story, 11 hours main plus extras, and 16 hours completionist.
Playtime is explicitly labeled as a community estimate, not a developer promise.
Community-maintained canon referenceWhat it covers: Character appearance, episode-presence checks, and canonical in-game sprite files.
Infobox claims were compared with the displayed game sprites; fan theories and unsupported interpretations were not imported.