ONTOS — cheap CD keys, compare prices
Is it worth buying?
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
ONTOS is a sci-fi mystery set on Samsara, a repurposed moon hotel hosting cryptic experiments. You explore, face unsettling encounters and piece together a narrative that questions the nature of reality itself. Atmosphere and story take priority over action.
Did you know?
It comes from Frictional Games, the Swedish studio behind the horror classics Amnesia: The Dark Descent and SOMA.
Best price today
€39.99
all-time low: official €39.99 near low
The cheapest ONTOS key right now costs €39.99 at Epic. The lowest price we have recorded for this game: €39.99.
The average low over the past 5 months was €39.99.
Prices as of
Epic best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Lowest — official stores
€39.99
Jul 2026
Price history
last 88 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €39.99 | — |
| Sept 2026 | €39.99 | — |
| Aug 2026 | €39.99 | — |
| Jul 2026 | €39.99 | — |
| Jun 2026 | €39.99 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Epic key — open Epic Games Launcher → profile (top right) → Redeem Code → enter the key. Stores with this activation: Epic
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All-time low so far: €39.99
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About this game — FAQ
Can ONTOS be played single-player?
Yes, ONTOS is a single-player game.
Does ONTOS support a controller/gamepad?
Yes, ONTOS has full controller support.
What languages does ONTOS support?
ONTOS is available in: English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian and 2 more.
FAQ
Where is the cheapest place to buy a ONTOS key?
The cheapest ONTOS key is currently sold by Epic for €39.99. The lowest price we have ever recorded for this game: €39.99.
How much does ONTOS cost?
ONTOS currently costs from €39.99 — the cheapest offer across the stores we track.
Is Epic an official store or a keyshop?
Epic is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.