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Survive deadly traps, solve environmental puzzles, and navigate the twisting corridors and tunnels of a long-forgotten underground temple. But beware: there's a monstrous Cyclops creature lurking around. Stay out of it's sight long enough to find your way out in this first-person horror game.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Try this game before buying.
The Single-Eye Nightmare is a first-person horror game where every step into the darkness could be your last. You’re trapped in the crumbling ruins of an underground temple, filled with twisting passageways, hidden chambers, and ancient mechanisms designed to keep intruders from ever leaving. To escape, you must outsmart deadly puzzles, survive dangerous traps, and avoid the watchful gaze of a monstrous Cyclops that hunts relentlessly through the tunnels.
Explore the maze-like environment to look for a way out. But be warned: the temple wasn't made with the intent to keep you alive. Crushing stone mechanisms, hidden spikes and crumbling ruins awaits you in every room you enter.
The Cyclops is hungry and won't stop at nothing to find your location. Stay dark areas, be weary of your footsteps and keep an eye out for the one-eyed monster lurking at every corner, searching for his newest prey - you.
The temple expects a lot from travelers trying to survive. Manipulating water systems, pulling counterweight levers and solving combination locks are essential to get back to the surface alive.
Lowest tracked price: €3.74 (Jul 7, 2026) · current best: €4.99.
100% positive reviews all-time.
Right now the cheapest offer for The Single-Eye Nightmare is €4.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for The Single-Eye Nightmare is €3.74 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when The Single-Eye Nightmare drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
