Full game metadata
| Field | Value |
|---|---|
| Steam app type | game |
| Steam App ID | 4282420 |
| Live current players | 0 |
| SteamPulse tracked peak | 5 |
| Live count (today's peak floor) | 0 |
| Price | $3.59 (40% off from $5.99) |
| Free to play | No |
| Discount | 40% |
| Original price USD | $5.99 |
| Current price USD | $3.59 |
| Release date | Apr 3, 2026 |
| Developer | Mike Meow |
| Publisher | Mike Meow |
| Owners estimated | Not available |
| SteamSpy owner estimate minimum | Not available |
| SteamSpy owner estimate maximum | Not available |
| Review type | Mostly Positive |
| Positive review percent | 79% |
| Positive reviews | 34 |
| Negative reviews | 9 |
| Total reviews | 43 |
| Steam recommendations | Not available |
| Achievements | 19 |
| Average playtime forever | 734 minutes |
| Windows support | Yes |
| macOS support | No |
| Linux support | No |
| Parent game | Not available |
| Store URL | https://store.steampowered.com/app/4282420/ |
Short description
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!
About this game
As a journalist, you're infiltrating a secret military bunker to expose the horrifying truth of " Project 404 ". Your mission: find and photograph the anomalies. Just remember — your eyes will deceive you. INSTRUCTIONS If you see an anomaly, take a photo. If there is no anomaly, keep moving without taking a photo. Anomaly 404 is a first-person psychological horror. The gameplay is a spot-the-difference experience. If you understand the instructions above, you are ready to play. KEY FEATURES 100+ Anomalies: Find a massive variety of anomalies. Multiple Levels: Explore different eerie locations. Sanity System: Losing your sanity makes finding anomalies more difficult. Story Documents: Read documents to uncover the dark lore. Multiple Endings: Discover main and secret endings. 3D Progress Board: Track your search status inside the game. Photography Mechanic: Use your camera to capture anomalies. Interactive World: Inspect and interact with objects around you. Immersive Atmosphere: High-quality sound and tense psychological horror. Steam Achievements: Unlock regular and secret achievements.
Supported languages
English * , French, German, Spanish - Spain, Japanese, Portuguese - Brazil, Russian, Simplified Chinese, Korean, Turkish * languages with full audio support