Ys 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.

Last full accuracy audit: 2026-09-08 · 17 entries checked · 11 flagged · 20 issues confirmed · 11 corrected · 9 still open

Recent findings (audit lane, verbatim)

Ys (series) — The 'Latest release' incorrectly lists Ys X: Proud Nordics as released in 2025/2026, which is speculative and not a confirmed fact; the actual latest release is Ys X: Nordics (2023 in Japan, 2024 internationally).

Ys (series) — The 'DID YOU KNOW' section repeats the same speculative future release date for Ys X: Proud Nordics, which is not yet confirmed or released.

Ys I — The tagline states 'recharging health' as a feature of Ys I, but health does not recharge automatically in Ys I; it only recharges in Ys II and later games.

Ys II — The on-screen title for Ys II is 'Ancient Ys Vanished: The Final Chapter' — this is incorrect; that title is for Ys I, not Ys II.

Ys II — DotEmu released an Android version with localizations in English, French, German, Italian, Korean, Japanese, and Chinese — this is inaccurate; the Android version of Ys I & II was published by DotEmu, but Korean and Chinese were not standard for that release.

Ys III: Wanderers from Ys — The claim that 'This was the final Ys game with involvement from Masaya Hashimoto and Tomoyoshi Miyazaki before they left to form Quintet' is factually incorrect; they left after Ys II and formed Quintet before Ys III's release.

Ys III: Wanderers from Ys — The claim that 'The soundtrack to the original version was entirely composed by Mieko Ishikawa' is incorrect; the original PC-8801/PC-9801 soundtrack was composed by Mieko Ishikawa and Yuzo Koshiro.

Ys IV: Mask of the Sun — The story takes place between Ys II and Ys III: Wanderers from Ys, but the correct placement is between Ys II and Ys V, with Ys III occurring after Ys IV.

Ys IV: The Dawn of Ys — The entry states the game takes place exactly two years after Ys II, but this specific time gap is not confirmed in official Falcom materials.

Ys IX: Monstrum Nox — The Windows version does not include an experimental local cooperative mode for a second player; no such mode exists in any official release of Ys IX: Monstrum Nox.

Ys IX: Monstrum Nox — The claim that an official novelization by Anna Kashina was released in 2026 is unverified and contradicts established canon; no such novelization is known to exist as of the current knowledge cutoff.

Ys V: Lost Kefin, Kingdom of Sand — The character Terra does not reappear in Ys VI: The Ark of Napishtim; she appears in Ys: Memories of Celceta and Ys VIII: Lacrimosa of Dana, but not in Ys VI.

Ys V: Lost Kefin, Kingdom of Sand — The claim that Ys V was Falcom's first internally developed game for a home console is incorrect; Falcom had previously internally developed games for home consoles, such as Ys III: Wanderers from Ys for the Super Famicom and other platforms.

Open data

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