74%Strong matchZERO PROTOCOL
87%41187% positive reviews, Very Positive across 411 reviews·Survival Horror · Atmospheric
—







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.
Step into the suffocating void of Research Facility G-1-6, now eerily silent after an unexplained communication blackout. As a lone operative, your mission is to reestablish contact and uncover the truth behind the disruption. Armed with the AEGIS Scanner, you’ll explore the facility’s shadowed halls, revealing hidden details and tracking what the eye cannot see. But danger lurks in the darkness, and something unknown watches from the shadows. Stay sharp, stay silent, and survive long enough to uncover what’s really going on here.
Incoming Message from Command:
"Operative, this is a priority alert. Research Facility G-1-6 has gone dark. Your mission: reestablish contact and investigate the communication blackout. You're equipped with standard-issue gear, including the AEGIS-scanner and a flashlight. Primary objective: restore comms with facility management. If that's not possible, retrieve all critical research data - it's highly classified. We expect regular status updates."


Connect your Microphone to the game adding a new layer of tension and immersion as you try to stay quiet.

|

AEGIS-Scanner Technology: Utilize advanced scanning equipment to reveal hidden details, track movement, and navigate in complete darkness. Swap between normal vision and AEGIS Scanner view at any time.


Stealth Gameplay: Avoid detection as you investigate the facility's secrets. Use sound and environmental cues to your advantage.
Warning: This game contains intense and sudden frights that may be dangerous for individuals with heart conditions or those prone to seizures. We are not responsible for soiled pants
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
All matches
Finding similar games…
ZERO PROTOCOLShares Psychological Horror · Survival Horror · Exploration , adds First-Person87% · 411 positive reviews74%Strong match—
The Voidness - Lidar Horror Survival GameShares Psychological Horror · Stealth · Survival Horror , adds Aliens79% · 228 positive reviews74%Strong match—
EMPTY SHELLShares Survival Horror · Dark · Action-Adventure , adds Action Roguelike88% · 859 positive reviews70%Strong match—
HollowbodyShares Psychological Horror · Survival Horror · Dark , adds Post-apocalyptic87% · 1k positive reviews71%Strong match—
SIGNALISShares Psychological Horror · Survival Horror · Dark , adds Female Protagonist97% · 34k positive reviews69%Strong match—
Amnesia: The BunkerShares Psychological Horror · Stealth · Survival Horror , adds Immersive Sim94% · 7k positive reviews68%Strong match—All matches
The best games like Quantum Sleeper are ZERO PROTOCOL, The Voidness - Lidar Horror Survival Game, EMPTY SHELL, Hollowbody, and SIGNALIS.
Match on: filter matches for Quantum Sleeper by tag
Filters all matches
65%+Strong matches
50%+Good matches