Just Open The Door — 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
Just Open The Door is an upcoming incremental idle game centered on opening doors to generate income. Players can purchase quicker workers, unlock various upgrades, and let automation handle the process as new doors continue appearing endlessly. The title is being developed and published by Document 34, with a planned 2026 release.
Best price today
€4.15
lowest in tracked period: official €4.15 near low
The cheapest Just Open The Door key right now costs €4.15 at Steam. The lowest price we have recorded for this game: €4.15.
The average low over the past 3 months was €4.84.
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
€4.15
Oct 2026
Price history
last 36 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €4.15 | — |
| Sept 2026 | €5.19 | — |
| Aug 2026 | €5.19 | — |
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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Confirm in our Telegram bot — no account, no spam.
All-time low so far: €4.15
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 | Windows 11 |
| Processor | Intel Core i5-8600K / AMD Ryzen 5 3600 | Intel Core i5-12600K / AMD Ryzen 7 7700 |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | NVIDIA GeForce GTX 980 Ti / AMD Radeon RX Vega 56 | NVIDIA GeForce RTX 3070 / AMD Radeon RX 6800 |
| Storage | 600 MB available space | 1 GB available space |
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About this game — FAQ
Can Just Open The Door be played single-player?
Yes, Just Open The Door is a single-player game.
What languages does Just Open The Door support?
Just Open The Door is available in: English, French, German, Simplified Chinese, Japanese, Korean, Russian, Turkish and 4 more.
Does Just Open The Door use Steam Cloud saves?
Yes, Just Open The Door uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Just Open The Door key?
The cheapest Just Open The Door key is currently sold by Steam for €4.15. The lowest price we have ever recorded for this game: €4.15.
How much does Just Open The Door cost?
Just Open The Door currently costs from €4.15 — 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.