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outpost4
Build your mobile outpost and combine over 20 weapons with 100+ items to create unique builds. Grow stronger against endless enemy hordes, conquer new planets, and experience the thrill of evolving from desperate survival to overwhelming firepower.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“I am giving it a positive review, but there are many problems. For starters, the game itself lags when too many damage over time weapons are used at once in higher level worlds. Then, if you will have upgrades that cost millions, the fact that your numbers only got up to a…”
— a player, Steam review · 7 hrs played“What a nice surprise to find this out! Its been a minute. This is a very good game. Recommended!”
— a player, Steam review · 28 hrs played“It stinks of AI slop all over the place. They lie blatantly in their Steam store disclaimer, and it's obvious they use it for text, practically all the graphics, UI, and I'd even venture to say the trailer. Not only is it a jumble of mismatched styles, pixelated images, and…”
— a player, Steam review · 0 hrs playedPlayer activity
Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
September Update Roundup: Base Upgrades, Relics & Endless Mode Improvements
Base Modification System — PC A new Base Modification system lets you shape your base around your preferred playstyle. Research the system in the laboratory to unlock eight specializations: Biochemica
We Finally Got Some Help with Localization!
We finally managed to take care of something that had been on our list for a while — we got some extra help to review the English and Japanese localization! Since we’re a small team, we hadn’t been ab
Outpost 4 Update Notes
This update focuses on bug fixes, relic and weapon balance adjustments, text/display improvements, and several late-game resource systems based on recent player feedback. It also adds a new Item Level
fix some bugs!!
Fixed the issue where the small arrow could block other UI elements. Reduced poison gas damage; increased Sniper Rifle and Shotgun damage. Reduced the Drone’s mining stats. Fixed the volume adjustment
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Casual, Strategy |
| Player tags | Strategy · Tower Defense · Roguelike · Bullet Hell · Roguelite · 2D · Mars · Casual · Perma Death · Singleplayer · Idler · Aliens (Steam store community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English, French, German, Spanish - Spain, Russian, Japanese, Polish, Simplified Chinese, Portuguese - Portugal, Spanish - Latin America, Korean, Italian, Traditional Chinese |
| Achievements | 18 |
Minimum system requirements (PC)
Minimum: OS: Windows7(SP1+) and Winds 10 Processor: 1.8GHz or faster processor Memory: 100 MB RAM Graphics: Direct X11.0 compatible video card Storage: 100 MB available space Sound Card: any