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Quantum Sleeper

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App ID 3147380
App Type Game
Developer
Publisher Interdiction Studios
Supported Systems Windows
Technologies Unreal Engine
Last Changenumber 37930403
Last Record Update 11 August 2026 – 08:37:48 UTC ()
Release Date 14 October 2024 – 19:36:23 UTC ()
❓ 81.03%
24 reviews
0
In-Game
😱 Horror 🕴 Psychological Horror 🥷 Stealth 🎒 Survival Horror 😨 Dark

Research Facility G-1-6 has gone dark. Your mission: reestablish contact and investigate the communication blackout. Equipped with AEGIS-scanner and a flashlight, uncover what is really going on here.

Steam price history

Special Promotion, ends 8 October 2026
Current Price -50% $4.49
Lowest Recorded Price -50% $4.49 1 October 2026
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar -50% $4.49 $4.49 $4.49 -50% $4.49
Brazilian Real -50% R$ 6,00 $1.14 -74.41% $1.14 -50% R$ 6,00
Russian Ruble -50% 175 ₽ $2.10 -53.21% $2.10 -50% 175 ₽
Ukrainian Hryvnia -50% 103₴ $2.29 -48.95% $2.29 -50% 103₴
Indonesian Rupiah -50% Rp 41249 $2.30 -48.59% $2.30 -50% Rp 41249
Indian Rupee -50% ₹ 225 $2.34 -47.85% $2.34 -50% ₹ 225
Philippine Peso -50% ₱152.47 $2.43 -45.71% $2.43 -50% ₱152.47
Vietnamese Dong -50% 64500₫ $2.48 -44.72% $2.48 -50% 64500₫
LATAM - U.S. Dollar -50% $2.49 $2.49 -44.54% $2.49 -50% $2.49
MENA - U.S. Dollar -50% $2.49 $2.49 -44.54% $2.49 -50% $2.49
SASIA - U.S. Dollar -50% $2.49 $2.49 -44.54% $2.49 -50% $2.49
Chilean Peso -50% CLP$ 2600 $2.64 -41.01% $2.64 -50% CLP$ 2600
Chinese Yuan -50% ¥ 18 $2.68 -40.21% $2.68 -50% ¥ 18
Taiwan Dollar -50% NT$ 86 $2.70 -39.86% $2.70 -50% NT$ 86
Saudi Riyal -50% 10.25 SR $2.72 -39.35% $2.72 -50% 10.25 SR
South African Rand -50% R 45.50 $2.73 -39.13% $2.73 -50% R 45.50
CIS - U.S. Dollar -50% $2.89 $2.89 -35.63% $2.89 -50% $2.89
Kazakhstani Tenge -50% 1300₸ $2.93 -34.71% $2.93 -50% 1300₸
Thai Baht -50% ฿99.50 $2.96 -33.96% $2.96 -50% ฿99.50
Kuwaiti Dinar -50% 0.92 KD $2.97 -33.67% $2.97 -50% 0.92 KD
Malaysian Ringgit -50% RM12.25 $2.99 -33.19% $2.99 -50% RM12.25
Qatari Riyal -50% 10.99 QR $3.01 -32.85% $3.01 -50% 10.99 QR
Peruvian Sol -50% S/.10.50 $3.02 -32.58% $3.02 -50% S/.10.50
Mexican Peso -50% Mex$ 56.49 $3.09 -31.00% $3.09 -50% Mex$ 56.49
Japanese Yen -50% ¥ 500 $3.17 -29.34% $3.17 -50% ¥ 500
Uruguayan Peso -50% $U139 $3.44 -23.19% $3.44 -50% $U139
Singapore Dollar -50% S$4.50 $3.51 -21.60% $3.51 -50% S$4.50
Colombian Peso -50% COL$ 11750 $3.53 -21.19% $3.53 -50% COL$ 11750
U.A.E. Dirham -50% 13.00 AED $3.53 -21.16% $3.53 -50% 13.00 AED
South Korean Won -50% ₩ 4950 $3.67 -18.10% $3.67 -50% ₩ 4950
Hong Kong Dollar -50% HK$ 29.00 $3.69 -17.68% $3.69 -50% HK$ 29.00
New Zealand Dollar -50% NZ$ 6.62 $3.71 -17.16% $3.71 -50% NZ$ 6.62
Canadian Dollar -50% CDN$ 5.89 $4.14 -7.76% $4.14 -50% CDN$ 5.89
Australian Dollar -50% A$ 6.59 $4.57 +1.90% $4.57 -50% A$ 6.59
Costa Rican Colon -50% ₡2100 $4.59 +2.29% $4.59 -50% ₡2100
British Pound -50% £3.74 $4.94 +10.06% $4.94 -50% £3.74
Euro -50% 4,39€ $4.94 +10.09% $4.94 -50% 4,39€
Norwegian Krone -50% 49,50 kr $5.14 +14.58% $5.14 -50% 49,50 kr
Polish Zloty -50% 20,49zł $5.27 +17.48% $5.27 -50% 20,49zł
Israeli New Shekel -50% ₪16.47 $5.38 +19.87% $5.38 -50% ₪16.47
Swiss Franc -50% CHF 4.99 $6.03 +34.34% $6.03 -50% CHF 4.99
Valve suggested prices are shown on package pages.

Price history

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Additional Information

Developer Helm Boy Studios
controller_support full
community_visible_stats Yes
ReleaseState released
Publisher Interdiction Studios
Store Release Date 14 October 2024 – 19:36:27 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://bsky.app/profile/helmboy.bsky.social
https://discord.gg/e2MkzwtYUV
https://www.youtube.com/watch?v=na6qBJCevBQ
Primary Genre Adventure (25)
Store Genres Action (1), Adventure (25), Indie (23)
Steam Release Date 14 October 2024 – 19:36:23 UTC ()
Store Asset Modification Time 11 August 2026 – 08:35:30 UTC () (1786437330)
library_assets
library_capsuleen
library_heroen
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library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct83.92645314353501
height_pct56.169046328092065
osextended empty string
review_score 7
review_percentage 100
Detected Technologies Unreal Engine, AMD_FidelityFX_SDK SDK, CEF SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Tobii SDK, Vivox SDK, Vorbis SDK, XAudio2 SDK
Content Descriptors General Mature Content (5)
controllertagwizard Yes
AI Content Type 1
First seen on SteamDB 3 August 2024 – 04:00:30 UTC (), in changelist #24632031
Content Descriptors (Including DLC) General Mature Content (5)

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes Yes

Assets

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community_icon63865033d10465341c1370b9f03d002a341007e8.jpg
page_background_pathapp/3147380
last_modified11 August 2026 – 08:37:46 UTC
timestamp11 August 2026 – 08:37:46 UTC

Trailer 773783 ↴

trailer_name Release Teaser2
trailer_category 1
microtrailer ↴
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video/mp4 3147380/1559117506/29533a754ac3d486a469c8a9eadf6de4f442ef81/1786436812/microtrailer.mp4
adaptive_trailers ↴
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all_ages true
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timestamp 11 August 2026 – 08:37:44 UTC
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