Warhammer 40,000: Gladius - Chaos Space Marines — cheap CD keys, compare prices
Is it worth buying?
The price is above its low (was €5.34), but within a reasonable range Notify me on a drop
About the game
Chaos Space Marines is an add-on for the 4X strategy Warhammer 40,000: Gladius by Proxy Studios, published by Slitherine in 2019. The expansion introduces a new playable faction, the Chaos Space Marines, ancient warriors fueled by hatred for the Imperium and a thirst for revenge. They field hellish machines, wield Warp powers, and carry the experience of a thousand wars, offering a fresh way to conquer the world of Gladius.
Best price today
€6.49
· · check “Region” on the seller’s page
Instant Gaming · Marketplace · Steam
Global key · check “Region” on the seller’s page
You pay at Instant Gaming · the seller sends the key · same price as on their site
Notify me when it drops below €5.84
- On Steam
- €16.66−61 % here
- all-time low
- €5.3412 Oct
- Official now
- €9.07Fanatical
- Average low, 5 mo.
- €6.25
The cheapest Warhammer 40,000: Gladius - Chaos Space Marines key right now costs €6.49 at Instant Gaming — the best of 12 compared offers. The cheapest official store price is €9.07 at Fanatical. (Prices as of )
Offers 12 · PC · from €6.49
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Warhammer 40,000: Gladius - Chaos Space Marines prices by store 9
| Store | Type | Price |
|---|---|---|
| Instant Gaming | Marketplace | €6.49 |
| Loaded | Marketplace | €6.59 |
| Kinguin | Marketplace | €7.40 |
| Gamivo | Marketplace | €7.54 |
| K4G | Marketplace | €7.92 |
| Fanatical | Official store | €9.07 |
| G2A | Marketplace | €10.69 |
| GOG | Official store | €13.46 |
| Steam | Official store | €16.66 |
Top 10 Strategy games
- 1
Moon Sweepers PC · 2026 from €7.64 - 2
The Long Dark PC · 2017 from €6.98 - 3
Marvel Rivals PC · 2024 - 4
Aniimo PC · 2026 - 5
Once Human PC · 2024 - 6
Magic: The Gathering Arena PC · 2023 - 7
EA SPORTS™ Madden NFL 27 PC · 2026 from €52.39 - 8
Planet Zoo 2 PC from €19.42 - 9
RimWorld PC · 2018 from €20.82 - 10
World of Warships PC · 2017
Lowest official since we started tracking (Jul 2026)
€9.07
Oct 2026
Lowest — keyshops
€5.34
Oct 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €9.07 | €5.34 |
| Sept 2026 | €9.24 | €5.65 |
| Aug 2026 | €9.49 | €5.82 |
| Jul 2026 | €9.32 | €6.12 |
| Jun 2026 | €16.66 | €8.33 |
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: Instant Gaming, Loaded, Kinguin, Gamivo, K4G, Fanatical, G2A, Steam
- GOG key — on GOG.com → Redeem a code (or in GOG Galaxy: Add games & friends → Redeem GOG code). Stores with this activation: GOG
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 (64-bit) | Windows 10 (64-bit) |
| Processor | Intel Core i3 or equivalent | Intel Core i5 or equivalent |
| Memory | 4 GB RAM | 8 GB RAM |
| Graphics | Vulkan support with 3 GB VRAM (Nvidia GeForce 900 series / AMD Radeon RX 400 series) | Vulkan support with 3 GB VRAM (Nvidia GeForce 900 series / AMD Radeon RX 400 series) |
| Storage | 4 GB available space | 8 GB available space |
Similar games
About this game — FAQ
Does Warhammer 40,000: Gladius - Chaos Space Marines have co-op?
Yes, Warhammer 40,000: Gladius - Chaos Space Marines supports online and local (split-screen) co-op.
Does Warhammer 40,000: Gladius - Chaos Space Marines have multiplayer?
Yes, Warhammer 40,000: Gladius - Chaos Space Marines has multiplayer. It supports PvP.
Does Warhammer 40,000: Gladius - Chaos Space Marines support crossplay?
Yes, Warhammer 40,000: Gladius - Chaos Space Marines supports cross-platform multiplayer.
Can Warhammer 40,000: Gladius - Chaos Space Marines be played single-player?
Yes, besides multiplayer modes, Warhammer 40,000: Gladius - Chaos Space Marines can also be played solo (single-player).
What languages does Warhammer 40,000: Gladius - Chaos Space Marines support?
Warhammer 40,000: Gladius - Chaos Space Marines is available in: English, German, Spanish - Spain, Russian, Simplified Chinese, French.
Does Warhammer 40,000: Gladius - Chaos Space Marines use Steam Cloud saves?
Yes, Warhammer 40,000: Gladius - Chaos Space Marines uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Warhammer 40,000: Gladius - Chaos Space Marines key?
The cheapest Warhammer 40,000: Gladius - Chaos Space Marines key is currently sold by Instant Gaming for €6.49. That is the best of 12 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €5.34.
How much does Warhammer 40,000: Gladius - Chaos Space Marines cost?
Warhammer 40,000: Gladius - Chaos Space Marines currently costs from €6.49 — the cheapest offer across the stores we track. For comparison, the game costs €16.66 on Steam, so buying a key saves you about 61%.
Is Instant Gaming an official store or a keyshop?
Instant Gaming is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
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.