Steam News27 November 20257mo ago

Dear ████, Room 404 is OUT NOW!

Dear ████, The time has come. Please proceed to Room 404 immediately. Should you encounter any anomalies, stay vigilant and continue forward. We wish you a safe journey.

Full notes

Full 404号公寓 update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes3 additions1 change0 removals

Gameplay
Store

addedIn contrast to the “Positive 4F Anomaly” featured in the demo, the full version now introduces 20+ new Negative 4F Anomalies.

addedPlayers can now experience 40+ anomalies , 3 endings , 5 bosses , and 10+ cutscenes .

addedAdditionally, the full Room 404 OST will be released for free in two weeks,We hope you’ll enjoy adding it to your library!

changed[dynamiclink href="https://store.steampowered.com/app/4202010/404__OST/"]

404号公寓 changes

addedIn contrast to the “Positive 4F Anomaly” featured in the demo, the full version now introduces 20+ new Negative 4F Anomalies.

addedPlayers can now experience 40+ anomalies , 3 endings , 5 bosses , and 10+ cutscenes .

addedAdditionally, the full Room 404 OST will be released for free in two weeks,We hope you’ll enjoy adding it to your library!

changed[dynamiclink href="https://store.steampowered.com/app/4202010/404__OST/"]

Dear ████,

The time has come. Please proceed to Room 404 immediately. Should you encounter any anomalies, stay vigilant and continue forward. We wish you a safe journey.

In contrast to the “Positive 4F Anomaly” featured in the demo, the full version now introduces 20+ new Negative 4F Anomalies.

Players can now experience 40+ anomalies, 3 endings, 5 bosses, and 10+ cutscenes.

Additionally, the full Room 404 OST will be released for free in two weeks,We hope you’ll enjoy adding it to your library!

[dynamiclink href="https://store.steampowered.com/app/4202010/404__OST/"]

Room 404 is our very first full game, and we sincerely hope you enjoy it.

Source

Steam News / 27 November 2025

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