FSX: Steam Edition - REX Soft Clouds Add-On — cheap CD keys, compare prices
Is it worth buying?
The price is well above its low (was €3.49) — worth waiting for a drop or setting an alert Notify me on a drop
About the game
REX Soft Clouds is an add-on for Microsoft Flight Simulator X: Steam Edition that reworks cloud textures so they look almost volumetric, and it also recreates the look of volumetric haze and fog. It is tuned to run on modest and powerful PCs alike, and it is launched from the Tools section in Steam. REX developed it and Dovetail Games published it in 2016.
Best price today
€9.99
· · check “Region” on the seller’s page
Steam · Official store · Steam
Global key · check “Region” on the seller’s page
You pay Steam directly · same price as on their site
Notify me when it drops below €8.99
- On Steam
- €9.99
- all-time low
- €3.492 Oct
- Average low, 5 mo.
- €5.09
The cheapest FSX: Steam Edition - REX Soft Clouds Add-On key right now costs €9.99 at Steam. (Prices as of )
Offers 1 · PC · from €9.99
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
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Lowest official since we started tracking (Jul 2026)
€3.49
Oct 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.49 | — |
| Sept 2026 | €3.99 | — |
| Aug 2026 | €3.99 | — |
| Jul 2026 | €3.99 | — |
| Jun 2026 | €9.99 | — |
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
System requirements
| Minimum | |
|---|---|
| OS | Windows® XP Service Pack 2 or later |
| Processor | 2.0 Ghz or higher (single core) |
| Memory | 2 GB RAM |
| Graphics | DirectX®9 compliant video card or greater, 256 MB video RAM or higher, Shader Model 1.1 or higher (Laptop versions of these chipsets may work but are not supported. Updates to your video and sound car |
| DirectX | Version 9.0 |
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About this game — FAQ
Does FSX: Steam Edition - REX Soft Clouds Add-On have multiplayer?
Yes, FSX: Steam Edition - REX Soft Clouds Add-On has multiplayer.
Can FSX: Steam Edition - REX Soft Clouds Add-On be played single-player?
Yes, besides multiplayer modes, FSX: Steam Edition - REX Soft Clouds Add-On can also be played solo (single-player).
What languages does FSX: Steam Edition - REX Soft Clouds Add-On support?
FSX: Steam Edition - REX Soft Clouds Add-On is available in: English.
FAQ
Where is the cheapest place to buy a FSX: Steam Edition - REX Soft Clouds Add-On key?
The cheapest FSX: Steam Edition - REX Soft Clouds Add-On key is currently sold by Steam for €9.99. The lowest price we have ever recorded for this game: €3.49.
How much does FSX: Steam Edition - REX Soft Clouds Add-On cost?
FSX: Steam Edition - REX Soft Clouds Add-On currently costs from €9.99 — 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.