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15th Prison
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.
Reviews
28
Positive
Positive
92.9%
26 positive
Followers
136
Est. WishlistsestiProxy: followers × 12 (industry heuristic)
1.6K
Est. OwnersestiBoxleiter method: reviews × 32
896
Est. RevenueestiEst. owners × ~62% of list price
$2.2K
Price (US)
$3.99
Release
May 20, 2025
About
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
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
★ Reviews
93%
Positive
28 total reviews
26 positive (92.9%)2 negative
Features
Family SharingSingle-playerSteam Achievements
Tags
3DActionAction-AdventureExplorationFirst-PersonFPSHorrorLogic
Estimates — owners use the Boxleiter method (reviews × 32), wishlists proxy followers × 12, revenue uses ~62% of list price × est. owners. These are rough industry heuristics, not official data.
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