Outpost: Infinity Siege
Released Mar 2024
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.
65% positive · 14K reviews
Done
All announced content has been released
Medium confidence
Done
All announced content has been released
Medium confidence
Where to buy
Green Man Gaming Steam key Lowest $12.50 $24.99 −50% Steam $24.99
Can't confirm — worth a look
We couldn't confirm these stores carry this game.
IndieGala Steam key Search Prices in USD, as listed by each store.
Buying through an affiliate store helps support the site
Evaluation
Outpost: Infinity Siege launched on March 26, 2024. In the months following launch, Team Ranger was very active: they published a roadmap on April 12, 2024 outlining three named content phases for the year, and delivered on all three — Phase 1 (new XENs and gameplay adjustments) arrived shortly after launch, Phase 2 ("From Toe to Teeth," major outpost component and edit mode overhaul) shipped on May 28, 2024, and Phase 3 ("Return to Dawn Base," new mode and components) launched on July 30, 2024. Additional feature patches followed in September and November 2024, and December 2024, continuing to add new turrets, components, and systems.
After that wave of activity, the developer went notably quiet. The next public communication was on July 29, 2025 — a free Soundtrack DLC release — followed by a brief administrative note on September 30, 2025 about copyright-related track removals from that OST. No game content updates, feature patches, or developer statements about future plans have appeared since late 2024.
The three roadmap phases announced in April 2024 were all delivered by July 2024. The developer has not announced any new roadmap, future DLC, or additional content phases since then. The only DLC listed is the OST (released July 29, 2025), which is a music pack rather than game content. The store description does not reference ongoing seasons, battle passes, or future content commitments. There are no unreleased DLC entries on the store.
The last substantive game content update was in December 2024. The developer has not communicated any plans for further content, and the original roadmap commitments have all been fulfilled. The pattern of activity points to a game that has completed its planned post-launch content cycle, with no outstanding promises remaining.
Evidence
Phase 3 'Return to Dawn Base' mode launched, completing all three roadmap phases promised in April 2024.
Phase 2 major update shipped with extensive new outpost components, turrets, support units, character talents, and level changes.
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Lightning Games
Achievements
26
Platform
Windows
Controller
—
Steam Deck
Unsupported
Players
Single-player · Multiplayer · Co-op
About this game
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.Last evaluated Jun 23, 2026
Something about this evaluation looks wrong Report illegal or harmful content