15 minutes Demo
Reality shifts. Time loops. You're trapped underground with only 15 minutes and something’s changing the rules. Spot the anomalies. Find the way out before the map turns against you or you might just run out of time. What you see may not be real.
| Type | Demo |
| Release Date | 9/22/2025 |
| Franchise | ConstructGames |
| Developer | Construct Games |
| Publisher | Construct Games |
| Last Updated | 10/20/2025 |
| Steam App Id | 4013640 |
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About 15 minutes Demo
15 minutes Demo is an Indie, Adventure, and Casual Demo developed by Construct Games. On 9/22/2025, it was released on the Steam Store by Construct Games. 15 minutes Demo can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this demo app.
15 minutes Demo also supports 7 languanges in-game including English, German, and Japanese. Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, 15 minutes Demo supports the following features:
- Game demo
- Single-player
- Steam Achievements
- Stats
- HDR available
Media & Sceenshots
Explore the featured video and screenshots from 15 minutes Demo featured in the Steam Store.
Supported Languages and Localizations
15 minutes Demo is available in 7 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| German | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
| Portuguese-Brazil | Yes | Yes | Yes |
| Russian | Yes | Yes | Yes |
| Chinese (Simplified) | Yes | Yes | Yes |
| Spanish (Latin America) | Yes | Yes | Yes |