s&box — cheap CD keys, compare prices
Is it worth buying?
Reviews are mixed (Steam 56%) · The price is above its low (was €8.20), but within a reasonable range Notify me on a drop
About the game
s&box is a platform for building games, powered by the Source 2 engine. Users can play, build and share their own creations, browse content made by the community, and enjoy open-ended sandbox experimentation using modern development tools. Facepunch Studios both developed and published the platform, due out in 2026.
Did you know?
On Steam it holds a 58% positive rating from over 9,200 reviews, placing it among mixed-rated titles.
Best price today
€10.25
· · 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 €9.23
- On Steam
- €10.25
- all-time low
- €8.2025 Sept
- Average low, 4 mo.
- €13.79
The cheapest s&box key right now costs €10.25 at Steam. (Prices as of )
Offers 1 · PC · from €10.25
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Offers that are not a key (Gift) — show (1) Gift: the game arrives as a Steam gift and works only in the region it was bought for.
These are not ordinary keys. A gift is usually region-locked and arrives through someone else's account — if the region does not match, the game will not activate. An account means you get someone else's login: the game never becomes yours, and it breaks Steam's rules. A DLC or a bundle is not the base game. That is why none of them count towards the price at the top of the page.
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Lowest official since we started tracking (Jul 2026)
€8.20
Sept 2026
Lowest — keyshops
€11.02
Sept 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €8.20 | — |
| Sept 2026 | €8.20 | €11.02 |
| Aug 2026 | €19.50 | €20.49 |
| Jul 2026 | €19.50 | €19.25 |
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 | Recommended | |
|---|---|---|
| OS | Windows 10 | Windows 11 |
| Processor | Core i5-9600K / Ryzen 5 3600 | Core i7-10700F / Ryzen 7 5700 |
| Memory | 16 GB RAM | 32 GB RAM |
| Graphics | GTX 1060 / RX 580 - 6GB VRAM | RTX 2060 / AMD RX 6600XT - 8GB VRAM |
| Storage | 12 GB available space | 50 GB available space |
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Video reviews
13:39 Will S&box Ever Replace Garry's Mod?
Goldec
19:08 Is s&box actually good?
Goldec
10:19 Garry's Mod is better than S&Box
noclick
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Does s&box have co-op?
Yes, s&box supports online and LAN co-op.
Does s&box have multiplayer?
Yes, s&box has multiplayer. It supports PvP.
Can s&box be played single-player?
Yes, besides multiplayer modes, s&box can also be played solo (single-player).
What languages does s&box support?
s&box is available in: English.
FAQ
Where is the cheapest place to buy a s&box key?
The cheapest s&box key is currently sold by Steam for €10.25. The lowest price we have ever recorded for this game: €8.20.
How much does s&box cost?
s&box currently costs from €10.25 — 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.