15th Prison (2025)

15th Prison is a horror escape game. There is no exit from this prison. But examine your surroundings carefully and do not ignore any abnormalities. Take the envelope in each block and move on. Your carelessness may result in death.

About This Game
You are stuck in a prison with endless blocks where notorious criminals are located. This is a prison famous for very horrific events.
To go to block 15 and find the escape route in the prison, observe your surroundings carefully and take the envelope given by the guard at each block pass. These envelopes are important for your escape plan!
Do not ignore any anomalies.
If you find anomalies, turn back immediately.
If you do not find anomalies, do not turn back. Move forward.
When you reach block 15, 3 different doors are waiting for you. You will encounter different endings and puzzles in these doors.
If you solve the puzzle at the end, your escape from prison will be easier. Good luck…
Playing Time
20-90 minutes







SYSTEM REQUIREMENTS
Minimum:
Requires a 64-bit processor and operating system
OS *: Windows 7 / 8 / 10 / 11 - 64 bit
Processor: Intel Core i3
Memory: 2 GB RAM
Graphics: NVIDIA GeForce GTX 650+
DirectX: Version 10
Storage: 2 GB available space
Sound Card: Any
Recommended:
Requires a 64-bit processor and operating system
*Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.