10秒ルール
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About this game
What this game is, in the developer's words
A horror/liminal space escape game “No matter what happens… leave the room after 10 seconds.” You only have a 3-second window to escape. Be careful. Don’t get caught—
Disclaimer: The “VREW” watermark shown in the bottom right of images and videos is from a free video editing tool and does not appear in the actual game.
Update: Version 2.0 was released on April 15!
Welcome to “10-Second Rule”
A horror/liminal space escape game
“No matter what happens… leave the room after 10 seconds.”
You only have a 3-second window to escape.
Be careful. Don’t get caught—
Download now and experience the thrill of 10 seconds!
Test Subjects
You're not the only one who's been tested.
Scattered posters, broken machinery… and something still moving.
You won't proceed unless you find it.
Time Mechanics
The heart of "10-Second Rule" lies in tension and awareness.
Act within 10 seconds.
The door opens after 10 seconds.
You have 3 seconds to escape—or start all over again.
But each reset... something changes.
Room Numbers
This facility contains countless numbered rooms.
1, 2, 3... the further you go, the closer something comes.
Will reaching Room 10 lead to freedom?
Or is that where the real nightmare begins...?
Not interested in being a test subject?
Too late. The experiment has already started.
Got feedback or issues while playing?
Please leave a review—your voice may lead to future updates and improvements.
(You don’t need to read below—this is just for those wondering who the game is for.)
Recommended For:
People with busy schedules who don’t have time for long gaming sessions
Those who get bored easily with repetitive gameplay
Players who find complex controls and long tutorials off-putting
Why You’ll Love It:
Quick Gameplay: Each loop lasts just 10 seconds, perfect for quick breaks
High Replay Value: Random elements make every run feel fresh
No Tutorial Needed: Intuitive controls let anyone jump in right away
Behind the Game: Why “10-Second Rule” Was Created
The idea for 10-Second Rule was born from a personal struggle—feeling stuck in the endless loop of daily life.
After a routine day of university, I realized how repetitive everything felt.
Then, I watched a speedrun video online.
Seeing a player clear a challenge in just seconds inspired a thought:
“What if a game could be resolved in just 10 seconds?”
That idea lit a spark, and I began developing 10-Second Rule.
My goal was to deliver intense tension and rapid-fire satisfaction in a game anyone could pick up.
I can't wait to see how players experience it.
Frequently Asked Questions
Q: How long is the game?
A: There are 3 modes. The shortest mode can be cleared in around 15 minutes.
Q: What is the goal of the game?
A: To reach a target experiment room number.
Q: Are there difficulty settings?
A: Yes! There are three levels: Easy, Normal, and Hard—fun for beginners and veterans alike.
Q: What happens if I find bugs or issues?
A: Please leave a review! We’ll try to address them in future updates.
Q: How long is one session?
A: Anywhere from 10 to 60 minutes, depending on play style and mode.
Download now on Steam!
Title: 10-Second Rule
Genre: Action, Horror, 8-ban-like, Solo Indie Game
Publisher: Nosan
Demo Release Date: July 23
Full Release Date: February 11
Price at Launch: 390 yen
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10秒ルール price history and best deals
10秒ルール for PC currently sells from $2.99 at authorized stores.
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