Games like Extraneum
If Extraneum is your kind of game, the closest matches are Gossamer Matrix, STAR WARS™: Dark Forces Remaster and INCISION — picked from the ranked list below. Reviewers single out its exploration rewards permanent upgrades, atmospheric and chill. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About 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.
Players who liked Extraneum also play
Steam players who put hours into Extraneum also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Gossamer Matrix
WHY THIS
Top pick for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Extraneum.
A retro-inspired, jumbled-up arcade shooter with disorienting gameplay mechanics set during the height of corporate militarization.
STAR WARS™: Dark Forces Remaster
WHY THIS
Shares an atmospheric mood with Extraneum.
Second-strongest match for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action with Extraneum.
The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.
INCISION
WHY THIS
Shares an atmospheric mood with Extraneum.
Third-strongest match for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Extraneum.
Ultraviolent, fast-paced, merciless retro FPS action. Slaughter your way through nightmarish industrial mazes, transformed cityscapes, and surreal alien structures to cut down the Growth.
Warhammer 40,000: Boltgun
WHY THIS
Shares an atmospheric mood with Extraneum.
Ranked #4 for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Extraneum.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
Dread Templar
WHY THIS
Shares an atmospheric mood with Extraneum.
Ranked #5 for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Extraneum.
Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!
Blake Stone: Aliens of Gold
WHY THIS
Shares an atmospheric mood with Extraneum.
Ranked #6 for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action with Extraneum.
Wolfenstein 3D took you into the past, thrusting you into a world at war. Blake rockets you into the future where a sinister madman, using genetics to create an army of bizarre creatures, is waging war on Earth. Blake has more of everything!
Supplice
WHY THIS
Shares an atmospheric mood with Extraneum.
Ranked #7 for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Extraneum.
Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.
DUSK
WHY THIS
Shares an atmospheric mood with Extraneum.
Ranked #8 for Extraneum fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Extraneum.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
Reviewers mention these as similar to Extraneum
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
Wolfenstein 3D
WHY THIS
Shares a retro mood with Extraneum.
Reviewers of Extraneum cross-mention this title as a similar play. Shares Action with Extraneum.
World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.
Quake
WHY THIS
Shares an atmospheric mood with Extraneum.
Reviewers of Extraneum cross-mention this title as a similar play. Shares Action with Extraneum.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
Project Warlock
WHY THIS
Shares a retro mood with Extraneum.
Reviewers of Extraneum cross-mention this title as a similar play. Shares Action and Indie with Extraneum.
Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.
Wizordum
WHY THIS
Shares an atmospheric mood with Extraneum.
Reviewers of Extraneum cross-mention this title as a similar play. Shares Action and Indie with Extraneum.
Wizordum is a retro FPS that puts you in the role of a Mage on a quest to track down the source of Chaos. With a wide arsenal of spells and magic items, battle your way through the world of Terrabruma in this unique blend of classic 90s shooters and modern gaming elements.
DOOM
WHY THIS
Reviewers of Extraneum cross-mention this title as a similar play. Shares Action with Extraneum.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
Exophobia
WHY THIS
Shares an atmospheric mood with Extraneum.
Reviewers of Extraneum cross-mention this title as a similar play. Shares Action and Indie with Extraneum.
Explore and fight your way through a crashed human spaceship infested with relentless hordes of aliens as you become more powerful with exciting weapon upgrades and powerups in this retro inspired first-person shooter.
Cheaper alternatives
Games in the same vein priced at least 40% below Extraneum at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~67% under Extraneum on Steam right now. Shares Indie with Extraneum.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Vampire Survivors
WHY THIS
Priced ~67% under Extraneum on Steam right now. Shares Action and Indie with Extraneum.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
R.E.P.O.
WHY THIS
Priced ~53% under Extraneum on Steam right now. Shares Action with Extraneum.
An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.
PEAK
WHY THIS
Priced ~47% under Extraneum on Steam right now. Shares Action and Indie with Extraneum.
PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
Titanfall® 2
WHY THIS
Priced ~70% under Extraneum on Steam right now. Shares Action with Extraneum.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
Slay the Spire
WHY THIS
Priced ~58% under Extraneum on Steam right now. Shares Indie with Extraneum.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
Inscryption
WHY THIS
Priced ~47% under Extraneum on Steam right now. Shares Indie with Extraneum.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
Cookie Clicker
WHY THIS
Priced ~67% under Extraneum on Steam right now. Shares Indie with Extraneum.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Extraneum.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Extraneum.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Extraneum.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Extraneum.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Extraneum.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
UNBEATABLE [white label]
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Extraneum.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
Disfigure
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Extraneum.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
Narrow it down
Head-to-head comparisons
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
STAR WARS™: Dark Forces Remaster
WHY THIS
Shares an atmospheric mood with Extraneum.
Deck Verified — runs on Steam Deck out of the box. Shares Action with Extraneum.
The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.
Warhammer 40,000: Boltgun
WHY THIS
Shares an atmospheric mood with Extraneum.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Extraneum.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
DUSK
WHY THIS
Shares an atmospheric mood with Extraneum.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Extraneum.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
Frequently asked about Extraneum
- Is Extraneum verified for Steam Deck?
- Yes — Extraneum is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
- How much does Extraneum cost?
- Extraneum is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Extraneum?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Extraneum are Gossamer Matrix, STAR WARS™: Dark Forces Remaster, INCISION.
- Who developed Extraneum?
- Extraneum was developed by David Jalbert and published by Hellforge Studios.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Extraneum.
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