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Extraneum
Extraneum is an old-school, sci-fi single-player first person shooter with an emphasis on exploration and secret hunting. Fight your way through biohacked monstrosities and stop their progress before they take control of the entire world.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“Extraneüm is a pretty solid boomer shooter with a solid selection of weapons and a cool soundtrack. However, I have to say that the game feels a bit stretched, which certain stems from the fact that you're fighting mostly the same enemies for the entire three episodes. But…”
— a player, Steam review · 10 hrs played“Good indie shooter in style of Doom by way of Wolfenstein.”
— a player, Steam review · 11 hrs played“yea awesome boom shoot. 8 out of 10”
— a player, Steam review · 4 hrs playedAchievement 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.
Steam Summer Sale 2026
During the Steam Summer Sale 2026 running from June 25th to July 9th, Extraneum will be 66% off, down to $5.10 USD! Grab it if you haven't had the chance yet! With that said, thank you for your contin
Steam Spring Sale 2026
During the Steam Spring Sale 2026 running from March 19 to March 26, Extraneum will be 66% off, down to $5.10 USD! Grab it if you haven't had the chance yet! With that said, thank you for your continu
Extraneum now has trading cards!
I'm proud to announce that you can now obtain trading cards when playing Extraneum on Steam! There are also emojis and profile backgrounds you can collect, so you can show all of your friends how much
Extraneum is now verified on Steam Deck!
Rejoice, Steam Deck owners! Extraneum has been reviewed by the Steam team and is now officially fully compatible with their handheld system. It was before, but now it's for REAL ! Enjoy blasting those
Extraneum is 66% off during the Steam Winter Sale 2025!
As the title suggest, during the Steam Winter Sale 2025 running from December 18, 2025 to January 5, 2026, Extraneum will be 66% off, which is the biggest discount the game has had yet, so if you have
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Action, Indie |
| Player tags | Boomer Shooter · Retro · FPS · Pixel Graphics · First-Person · 1990's · Action · Shooter · Nonlinear · 3D · Transhumanism · Sci-fi (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Cloud · Family Sharing |
| Languages | English * * |
| Controller | Full support |
| Achievements | 20 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 Processor: A 64-bit, x86-based CPU Memory: 2 GB RAM Graphics: An OpenGL 4.5 or Vulkan compatible GPU DirectX: Version 10 Storage: 300 MB available space Additional Notes: These are the minimum settings that are guaranteed to work, but I cannot guarantee the frame rate you'll get.