The Sleep Experiment

The Sleep Experiment

ClawsDev · October 19, 2023 · Indie, Horror, Psychological Horror, Survival Horror, Dark

Buy the The Sleep Experiment key for Steam from Kinguin at $6.28 — the cheapest of 2 stores we compare.

PC
Mostly Negative26% · 19 📉 Recent reviews down 18%
Best price 24 Fair price
$6.28-48%
lowest tracked $1.79
Kinguin Buy at Kinguin

Prices last checked

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Where to buy The Sleep Experiment — official stores

Steam
Steam
Standard Edition · Steam
$11.99
Buy

Cheapest The Sleep Experiment keys — keyshops

Keyshops are third-party marketplaces — keys are resold and can be region-locked or a different edition. Check the listing's region & edition before buying.

Kinguin
Standard Edition · Steam
$6.28
Buy

The Sleep Experiment price by region

The Sleep Experiment costs £4.34 in the United Kingdom, €4.99 in Europe (EUR), $6.28 in the United States, $6.28 in Georgia (USD), CA$15.49 in Canada, NZ$17.49 in New Zealand, A$17.75 in Australia, zł27.87 in Poland and R$38.49 in Brazil right now.

Cheapest The Sleep Experiment offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
United Kingdom £4.34 −57% £9.99 £4.34 2
Europe (EUR) €4.99 −58% €11.79 €4.99 2
United Statesyour region $6.28 −48% $11.99 $6.28 2
Georgia (USD) $6.28 −10% $6.99 $6.28 2
Canada CA$15.49 CA$15.49 — 1
New Zealand NZ$17.49 NZ$17.49 — 1
Australia A$17.75 A$17.75 — 1
Poland zł27.87 −49% zł54.99 zł27.87 2
Brazil R$38.49 R$38.49 — 1

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

About The Sleep Experiment

In "The Sleep Experiment" you play as a subject in one of the most disturbing experiments in human history.

The game is a first-person horror experience, focusing on psychological horror and surreal imagery. You will navigate through a series of increasingly disturbing environments, each one designed to push you to the brink of insanity.You are kept awake for days, subjected to gruesome stimuli, and forced to confront your deepest fears and anxieties. As the days wear on, your mind begins to unravel, and you must face the creeping madness that threatens to consume you.

Along the way, you will encounter other subjects who have succumbed to their madness, as well as the twisted scientists who are experimenting.Hold on to your sanity long enough to uncover the truth behind your inner demons and the experiment, or succumb to the madness that surrounds you!

The Sleep Experiment — game info

Platforms
Windows, macOS
Player modes
Single-player
PC Game Pass
Not included
More games like this:Mac games

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

✦ AI summary

The Sleep Experiment is a walking simulator puzzle game with decent atmosphere and an engaging story concept that players appreciate up until a notorious late-game picture puzzle that has become infamous for being poorly designed, with many players spending an hour or more stuck on it or unable to complete it at all due to technical issues. While the game's sound design, reality-warping atmosphere, and non-overused jumpscares are praised, the broken puzzle severely undermines the experience, and some players report crashes and technical problems.

Not recommended Jan 10, 2024
Played on Linux using Proton Exp, Not much to say really, Graphics/Textures are not that good, sound is kind of okay but very minimal and not in a good way, Game play was puzzle to get key, find code to get key, etc and really as far as i can tell a Walking Sim. I say as far as i can tell due to one very bad Puzzle idea (The Idea was sort of okay it was just done so bad), The 3 Picture Puzzle, I think I'm not the only person to bring this up in a Review, Spent around 40 minutes trying to do this and then gave up, so that's as far as i got in the Game and will not be putting myself though that nasty puzzle again, Ever. Bought in a Bundle with 3 other Games for under £2.00 so wasn't expecting much from these Games. So yeah not Recommended...
3 found this helpful
Not recommended Dec 1, 2023
i enjoyed the game until i reached the picture puzzle tried to solve for an hour then when i solved it the last picture fire wouldnt work it would just disappear the i quit the game. ggs
3 found this helpful
Recommended Mar 25, 2024
this was actually a decent game, except that part where i went blind with rage... but yeah. decent enough.
1 found this helpful
Not recommended May 16, 2025
As others have already noted this is a good game held back by a truly abysmal puzzle that occurs late in the game. The atmosphere and weird warping of reality from the beginning up to that particular point is really good. Jumpscares are present but not overused and the focus tends to be more on solving environmental puzzles. The story is decent and makes sense. Graphically and sonically everything works to immerse you in the hallucinations of the sleep experiment. What holds it back seems to be a lack of playtesting on one of the final puzzles. You can get past the puzzle with a hell of a lot of persistence but what is galling is that you can see exactly what the game wants you to do but be unable to execute it. It's maddening. This really should have been fixed during development or shortly after the first reviews. If it weren't for that puzzle it would be a solid recommend but I can't in good conscience give that as the puzzle is just that bad. For those who do get the game, I have attempted to provide a video guide showing how I managed to get through the puzzle that I hope will help you: https://youtu.be/Yr_F2XYhDjY?si=jNYZwTnTsq_u8hPq My full playthrough here if you're curi…
Not recommended Aug 17, 2024
crashed on interact with wood board in secondary room
Not recommended Feb 3, 2024
The plot has potential, but the mechanics are truly the most horrifying part of the game. 2/10 rating, because the previous game I played was rather ok with pedophilia. Literally 2 points for not being pedophiles.

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