Anomaly 404

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!

At a glance

• Platform: Windows.
• Genres: Adventure, Casual, Indie.
• Release date: Apr 3, 2026.
• Steam user reviews: Mostly Positive (79% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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