- PLATFORM
- Steam
- GENRE
- Action · Strategy
- RELEASED
- 2024
- DRM
- Steam
- STUDIO
- Team Ranger
Buy Outpost: Infinity Siege Steam key
Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.
PRICE DATA LAST CHECKED · SOME LINKS MAY EARN US A COMMISSION
BEST PRICE TODAY
$7.42
at Kinguin · Steam key · -70% off RRP
DE / EUR CATALOG · CONVERTED FROM EUR
Go to Kinguin → for Outpost: Infinity SiegeCompare prices in official stores
Licences issued directly by the publisher or an authorised retailer. These cannot be revoked.
| Store | Edition | Price | Go to store |
|---|---|---|---|
 Green Man GamingOFFICIALMATCHED BY STEAM APP ID | Standard | CHEAPEST $24.99 | Buy Outpost: Infinity Siege at Green Man Gaming |
 SteamOFFICIALDIRECT STEAM LISTING | Standard | $24.99 | Buy Outpost: Infinity Siege at Steam |
Compare prices in keyshops
Third-party sellers reselling keys on a marketplace. Usually cheaper — read the key type and activation region before the price, then confirm the seller terms on the store page. Right now the cheapest keyshop listing saves $17.57 against the best official price.
| Shop / seller | Edition / key type | Price | Go to store |
|---|---|---|---|
 KinguinMATCHED BY STEAM APP ID Global | Steam key | CHEAPEST $7.42 | Buy Outpost: Infinity Siege at Kinguin |
| Kinguin MATCHED BY STEAM APP ID EU only | Steam key | $8.95 | Buy Outpost: Infinity Siege at Kinguin |
| Kinguin MATCHED BY STEAM APP ID Global | Steam giftGIFT DELIVERY · NOT A STANDARD KEY | $37.61 | Buy Outpost: Infinity Siege at Kinguin |
Gift delivery is not the same as redeeming a product key.
Do not use a VPN to bypass activation restrictions; the account country may still be checked.
About Outpost: Infinity Siege
Outpost: Infinity Siege was developed by Team Ranger and published by Lightning Games. The release date was March 25, 2024. The genre is characterised as Action and Strategy.
Outpost Building Explore the world, gather resources, merge and upgrade outpost units to build your own outpost. Unique Weapon Fully exploit the value of the unique XEN Firearm with different protoslag attributes, and utilize ammunition with diverse performance. Loot & Farm Enjoy the abundant difficulty levels, diverse gameplay features, and distinctive maps of the exploration mode. Venture deep into the brand new zones full of hazards and opportunities, and harvest powerful outpost units. Co-op Feature Fight alongside friends on Recovery Day, or strive together to survive infinite waves of monsters in Endless mode till the last moment.
Outpost: Infinity Siege compatibility
- Steam Deck
- Unknown
- Linux
- Not supported
- macOS
- No native build
PC requirements come from the game's official Steam storefront listing. PriceSpawn does not estimate hardware requirements when a separate tier is not available.
MINIMUM
Minimum: • Requires a 64-bit processor and operating system • OS: Windows 10 • Processor: Intel i5 9600 • Memory: 16 GB RAM • Graphics: NVIDIA GeForce GTX 1650 / AMD Radeon RX 570 / Intel ARC A380 • DirectX: Version 12 • Storage: 45 GB available space • Additional Notes: 1080P，Low，30FPS
RECOMMENDED
Recommended: • Requires a 64-bit processor and operating system • OS: Windows 10 • Processor: Intel i5 11600 / AMD R5-5600X • Memory: 16 GB RAM • Graphics: NVIDIA GeForce RTX 3060 / AMD Radeon RX 6600 XT / Intel ARC A750 • DirectX: Version 12 • Storage: 45 GB available space • Additional Notes: 1080P，Mid，60FPS （SSD request）
Source: Steam store page
Compare Outpost: Infinity Siege editions
Real Steam prices for every edition — not a markup guess. Where Steam reports an active discount, the RRP is shown struck through.
| Edition | Price |
|---|---|
| Outpost | $24.99 |
| Outpost - Vanguard Edition | $39.99 |
Outpost: Infinity Siege DLC and expansions
Add-ons sold separately from the base game, straight from Steam. This is not a comparison table — these are Steam listings, not keyshop offers.
Where to buy Outpost: Infinity Siege cheap
Outpost: Infinity Siege launched at $24.99 in 2024. On the canonical US/USD baseline, the lowest confirmed-unrestricted total is $7.42 at Kinguin, which is -70% off the recommended price.
On that same baseline, official stores start at $24.99, so the keyshop route saves $17.57 on this title. That saving comes with a trade-off: keyshop listings are resold keys, and a listing marked as a gift is not a standard key. The key type column above tells you which is which.
Feed update times differ by store. Confirm the current price, product type and activation region on the store page before completing the purchase. Our comparison methodology explains matching, ranking and checkout-fee limitations.
Outpost: Infinity Siege — frequently asked questions
- What is the cheapest price for Outpost: Infinity Siege?
- On the canonical USD comparison baseline: $7.42 at Kinguin — -70% off the $24.99 RRP. Use the country selector for regional prices.
- Where can I download Outpost: Infinity Siege after the purchase?
- Outpost: Infinity Siege activates on Steam. After buying you receive a key or a direct licence, redeem it in the Steam client, and the game stays in your library permanently.
- Is it cheaper to buy Outpost: Infinity Siege from a keyshop or an official store?
- On the canonical USD comparison baseline, a keyshop is currently $17.57 cheaper: $7.42 at Kinguin against $24.99 at Steam. The keyshop listing is a resold key, so check the key type and region first.
- Is Outpost: Infinity Siege Steam Deck compatible?
- Steam Deck compatibility data is not available for Outpost: Infinity Siege yet.
- Can I play Outpost: Infinity Siege on Mac?
- No. Outpost: Infinity Siege has no native macOS build.
- Is Outpost: Infinity Siege Linux compatible?
- Outpost: Infinity Siege has no verified Linux support. Proton results vary and are not guaranteed.
