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Spacebase DF-9
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“⣿⣿⡻⠿⣳⠸⢿⡇⢇⣿⡧⢹⠿⣿⣿⣿⣿⣾⣿⡇⣿⣿⣿⣿⡿⡐⣯⠁ ⠄⠄ ⠟⣛⣽⡳⠼⠄⠈⣷⡾⣥⣱⠃⠣⣿⣿⣿⣯⣭⠽⡇⣿⣿⣿⣿⣟⢢⠏⠄ ⠄ ⢠⡿⠶⣮⣝⣿⠄⠄⠈⡥⢭⣥⠅⢌⣽⣿⣻⢶⣭⡿⠿⠜⢿⣿⣿⡿⠁⠄⠄ ⠄⣼⣧⠤⢌⣭⡇⠄⠄⠄⠭⠭⠭⠯⠴⣚⣉⣛⡢⠭⠵⢶⣾⣦⡍⠁⠄⠄⠄⠄ ⠄⣿⣷⣯⣭⡷⠄⠄⢀⣀⠩⠍⢉⣛⣛⠫⢏⣈⣭⣥⣶⣶⣦⣭⣛⠄⠄⠄⠄⠄ ⢀⣿⣿⣿⡿⠃⢀⣴⣿⣿⣿⣎⢩⠌⣡⣶⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣆⠄⠄⠄ ⢸⡿⢟⣽⠎⣰⣿⣿⣿⣿⣿⣿⢀⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣦⠄⠄ ⣰⠯⣾⢅⣼⣿⣿⣿⣿⣿⣿⡇⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡄⠄ ⢰⣄⡉⣼⣿⣿⣿⣿⣿⣿⣿⢸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⠄…”
— a player, Steam review · 2 hrs played“I'm surprised this game is even for sale still. Shouldn't be legal.”
— a player, Steam review · 39 hrs played“It sure was thoughtful of Double Fine to unearth a prototype of an abandoned MS-DOS game and make it easily accessible for the public! There's a skeleton of a decent idea here and seems to run okay but I'm glad Bullfrog made Theme Hospital instead! ...what do you mean this was…”
— a player, Steam review · 2 hrs playedPrice tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Spacebase DF-9 1.06 released
Mods can now be loaded via ZIP files from the Mods\ subdirectory of the game's install directory. Each ZIP is loaded as a simple virtual file system which can contain directories that mirror the main
Spacebase DF-9 1.06 released
Mods can now be loaded via ZIP files from the Mods\ subdirectory of the game's install directory. Each ZIP is loaded as a simple virtual file system which can contain directories that mirror the main
Spacebase DF-9 1.05 released
Fixed: Citizens no longer place stuff on shelves, always have "stuff" need unsatisfied. Fixed: Dropped ore disappears. Fixed: Various rare crashes.
Spacebase DF-9 1.05 released
Fixed: Citizens no longer place stuff on shelves, always have "stuff" need unsatisfied. Fixed: Dropped ore disappears. Fixed: Various rare crashes.
Spacebase DF-9 1.04 released
Completely rebalanced the galaxy map. Where you choose to build a new base matters a lot more now. Raiders will no longer attack and destroy Airlock Suit Lockers - leads to too many obnoxious situatio
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Indie, Simulation, Strategy |
| Player tags | Simulation · Space · Base-Building · Sci-fi · Strategy · Indie · Sandbox · Building · Survival · Singleplayer · Management · Futuristic (SteamSpy community voting) |
| Features | Single-player · Steam Trading Cards · Steam Cloud · Family Sharing |
| Languages | English |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
| Official site | https://www.doublefine.com/games/spacebase-df-9 |
Minimum system requirements (PC)
Minimum: OS *: Windows XP Processor: Core 2 Duo or Higher Memory: 2 GB RAM Graphics: Intel HD Graphics 3000 with 384 MB of RAM Storage: 200 MB available space Sound Card: DirectX Compatible Sound Card