Anomaly 404 −40%

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Don't trust your eyes. A spot-the-difference horror with photography and a mysterious story. Explore 3 levels, find 100+ anomalies, and manage your sanity — mistakes warp reality. Uncover the truth of Project 404!

Developer: Mike Meow
Released: 3 Apr 2026
Price: $3.59 ~~$5.99~~
Platforms
Steam Deck: Playable
Languages: English +9

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 26 Oct, 21:23 UTC

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

News checked every 30 days. Observed since 26 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

Update 2.0.0: New Content & Progress Overhaul Update
18 May 2026 · Community Announcements
Update 1.4.0: Mistake Hints Overhaul Update
28 Apr 2026 · Community Announcements
Update 1.3.5: New Difficulty & Alternative Ending Update
22 Apr 2026 · Community Announcements
Update 1.3.0: Ambient Events & Level 2 Expansion Update
16 Apr 2026 · Community Announcements
Update 1.2.5: Level Statistics & UI Improvements Update
12 Apr 2026 · Community Announcements
Update 1.2.0: New Content Update
9 Apr 2026 · Community Announcements
Update 1.1.5: Fast Restart & Improvements Update
8 Apr 2026 · Community Announcements
Update 1.1.0: Added Sprint & Improvements Update
5 Apr 2026 · Community Announcements
ANOMALY 404 IS OUT NOW!
3 Apr 2026 · Community Announcements

From the game’s Steam news feed, last checked 26 Oct, 21:23 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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