Quantum Sleeper PC
Only Steam sells it on this platform right now, at $3.59.
Compare prices in official stores
All live offers in United States, cheapest first.
SteamQuantum Sleeper$8.99−60%$3.59Shop now
Buy now or wait?
Good deal
A solid price, though it has been cheaper.
Confidence33%
- Cheaper than its typical sale price.
- 60% is the deepest discount seen.
Upcoming: Steam Autumn SaleNov 24 – Dec 1
- Chance of a sale in 30 days
- 75%
- Typical sale price
- $3.59
- Best discount seen
- −60%
- Sales tracked
- 1
Price stats
- Best price now
- $3.59at Steam
- All-time low
- $3.59at Steam · Oct 28, 2026
- 3-month low
- $3.59
- 1-year low
- $3.59
- Regular price
- $8.99
- Discounts in the last year
- 1Last discount: Oct 28, 2026
Price history
Each step is a price change. The bold line is the cheapest price across stores.
Regional prices
Every tracked region converted to USD.
| Region | Store | Price | ≈ USD |
|---|---|---|---|
| BrazilCheapest region | Steam | R$4.80−60% | $0.90 |
| Ukraine | Steam | ₴82.00−60% | $1.80 |
| India | Steam | ₹180.00−60% | $1.89 |
| Argentina | Steam | $1.99−60% | $1.99 |
| Türkiye | Steam | $1.99−60% | $1.99 |
| Kazakhstan | Steam | ₸1,040.00−60% | $2.28 |
| United States | Steam | $3.59−60% | $3.59 |
| Germany (EU) | Steam | €3.51−60% | $3.91 |
| United Kingdom | Steam | £2.99−60% | $3.98 |
| Poland | Steam | zł 16.39−20% | $4.15 |
About
Quantum Sleeper is $3.59 at Steam right now, 60% below its regular price of $8.99. The lowest price we have recorded is $3.59 (Oct 28, 2026). Good deal: A solid price, though it has been cheaper.
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.