Tunnel Rot — 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
Tunnel Rot is a psychological horror game built around a survival mechanic tied to a camera, set within a decaying sewer system. The player faces apparitions born from their own guilt, all while having to manage both a limited power source and their grip on sanity. mkr2002 developed and published the game independently, releasing it in 2026.
Best price today
€2.49
all-time low: official €2.49 near low
The cheapest Tunnel Rot key right now costs €2.49 at Steam. The lowest price we have recorded for this game: €2.49.
The average low over the past 3 months was €3.74.
Prices as of
Steam 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
€2.49
Oct 2026
Price history
last 66 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.49 | — |
| Sept 2026 | €4.99 | — |
| Aug 2026 | €3.74 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
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All-time low so far: €2.49
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 | Windows 10 / 11 |
| Processor | Dual-core 2.0 GHz | Dual-core 2.5 GHz or better |
| Memory | 2 GB RAM | 4 GB RAM |
| Graphics | DirectX-compatible integrated or dedicated graphics | Dedicated GPU or modern integrated graphics |
| DirectX | Version 9.0 | Version 9.0 |
| Storage | 1 GB available space | 2 GB available space |
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About this game — FAQ
Can Tunnel Rot be played single-player?
Yes, Tunnel Rot is a single-player game.
What languages does Tunnel Rot support?
Tunnel Rot is available in: English.
FAQ
Where is the cheapest place to buy a Tunnel Rot key?
The cheapest Tunnel Rot key is currently sold by Steam for €2.49. The lowest price we have ever recorded for this game: €2.49.
How much does Tunnel Rot cost?
Tunnel Rot currently costs from €2.49 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam 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.