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Watch trailer on Steam ↗15 Minutes
Construct Games · Published by Construct Games
4 user reviews — 0% positive (4 reviews) · 7 achievements
Last updated 3 Oct 2026
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 mines turn against you or you might just run out of time. What you see may not be real.
£4.99
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Price history
Action, Indie, Simulation, Casual · 2025 · More under £5 games
In 15 Minutes, navigate treacherous underground mines where time loops and anomalies await. Spot changes, find your way out before the environment turns against you.
About this game
A Subterranean Anomaly Horror Experience
Trapped deep beneath the earth in an underground complex, you awaken to the echoing beep of a countdown. Explosives have been armed. The lights flicker. The walls breathe. You don’t know how you got here—but you do know one thing: when the music stops, so do you.
Navigate a looping, ever-changing labyrinth where nothing stays the same for long. Shadows twist wrong. Objects duplicate. Faces lie. You're being watched, but you’re not sure by what—or how many.
Every corridor may conceal an anomaly: some subtle, some grotesque. Identify them. Memorize patterns. Trust your instincts, not your eyes. The music is your timer, and once it ends... so does your chance to escape.
Can you spot what shouldn't be there before it's too late?
About the game
Play time
15 -60 mins
Over 18 Anomalies
Multiple endings
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: AMD x1700
- Memory: 8 GB RAM
- Graphics: Nvidia 1070 TI
- Storage: 10 GB available space
- Sound Card: Integrated
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: AMD 5700X
- Memory: 16 GB RAM
- Graphics: AMD 6700XT
- Storage: 10 GB available space
- Sound Card: Integrated
Supported Languages
*languages with full audio support
Latest news
AnnouncementsOfficial
Steam Nextfest is here!
Steam Nextfest is officially in full swing and 15 Minutes is joining in on the action. A few hours ago I pushed an update for the Demo which now includes an important piece of the narrative that will be expanded further in the full release which will be coming on the 23rd October, that's less than 2 weeks from now! Along with this update are a number of major quality of life improvements such as the ability to skip the Credits at the end of the demo and a new cinematic intro which introduces B9 as she sets the stage for what is to come in the upcoming narrative in 15 Minutes. A number of issues have been addressed in this latest build including some audio balance problems that had persisted and issues relating to the introduction tutorial not behaving as expected. 15 Minutes is currently having its final touches put into place with a custom OST some of which recently joined the Demo. This update will be the last for now until the game is released as I turn my attention to making sure 15 Minutes is the best I can make it and I hope you'll join me as we approach the release in playing the demo, spreading the word and discussing in the community discord server. I want to know what you, the players think of 15 Minutes and even bounce ideas with you all on future features. See you down the mines and remember, The Entities are watching.Read full article on Community Announcements (ConstructGames)Patch NotesOfficial
Demo update 1.1.0
Hey there! Its been a hot minute since the demo for 15 Minutes launched last week and in that time I've been collecting a lot of feedback and taking the time to see where I should focus most to improve 15 Minutes before its launch next month. I recently added a Patch notes panel to the main screen with a list of known issues, upcoming features and latest changes. This I hope will help keep everyone up to date on the latest changes as I process player feedback and push updates out. With that kind mind, what is in the latest batch of updates? Changes:- Updated Menu- Added Introduction panel- Added Vsync- Updated LODs - General code optimizations- Added introduction- Added Starting Guides- Added Screen modes Known Issues:-Unable to skip Credits-Audio balance favors music-Steam Deck auto-configures for Steam Input-Menus can lose focus when using controller This is currently being investigated alongside work on improving support for Steamdeck. I want to make sure that 15 Minutes is playable on both handhelds and desktop which plays a large part in my push for further optimizations where I can find them. Coming soon:- Hold Key to skip Credits- Record of Anomalies spotted - High speed time scoreRead full article on Community Announcements (ConstructGames)Patch NotesOfficial
Development update
Hey there! It's been a while since I last gave an update on the progress of 15 Minutes so I thought it was time to start talking about what has been going on in thast time. Since launching the Steam page announcing 15 Minutes the game has been going through major development with most recently having a new UI overhaul to accomodate handheld gaming devices like Steam Deck and others. Recently I reworked the mission manager to make it more flexible for handling multiple endings and also game modes, NG+ will be a unlockable play mode where players will be able to set the number of loops and randomize the anomalies during those loops. This brings the challenge of how to apply this to the idea of 15 minutes but there are interactable objects placed in the map which when activated will alter gameplay in some interesting ways. One of the most recent changes is how Entities work in 15 Minutes. Entities are the special type of Anomaly which are more akin to NPCs than environmental changes. 15 Minutes mission manager is combined with the AI Director to help make the experience more immersive whilst also guiding the player if it detects they may be stuck. In Recent weeks I have been working to optimize 15 Minutes and make it perform well on the Steam Deck, I grew up with mobile gaming and want to do my part supporting it with the games I work on so you will be hearing more over time. I plan on releasing more updates in the weeks and months ahead along with more feature updates.Read full article on Community Announcements (ConstructGames)
