Outpost: Infinity Siege
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.
Offers
What are keyshops?Official stores
Official stores with direct support.
Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Multipacks (1)
DLCs (1)
About Outpost: Infinity Siege
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.Game details
Game details
Age ratings
Languages
Audio & text: Simplified Chinese, English
Text only: French, German, Japanese, Traditional Chinese, Korean
Outpost: Infinity Siege price history
Lowest tracked price: €4.83 (Jul 16, 2026) · current best: €4.94 across 9 stores.
Outpost: Infinity Siege player count & reviews
58% positive reviews in the last 30 days (65% all-time) · 149 peak players in the last 30 days.
Outpost: Infinity Siege — frequently asked questions
Where can I buy Outpost: Infinity Siege at the cheapest price?
Right now the cheapest offer for Outpost: Infinity Siege is €4.94 at Eneba. KingsPrice compares 13 offers from 9 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Outpost: Infinity Siege has ever been?
The lowest price KingsPrice has tracked for Outpost: Infinity Siege is €4.83 (recorded on Jul 16, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How many people play Outpost: Infinity Siege?
Outpost: Infinity Siege peaked at 149 concurrent players on Steam in the last 30 days (highest on Jul 10, 2026). The player chart on this page updates daily.
Is it safe to buy a Outpost: Infinity Siege Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get Outpost: Infinity Siege at a discount?
Create a free price alert on this page and KingsPrice will email you when Outpost: Infinity Siege drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
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
- 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）
