IMHO.

Games like SYSTEM INTRUDER

If SYSTEM INTRUDER is your kind of game, the closest matches are Redemption, Fortune's Run and Ion Fury — picked from the ranked list below. 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.

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About SYSTEM INTRUDER: Dive into the atmospheric dread of classic 3D games. Unravel the dark secrets of the ASGARD-04 research complex in this gripping, narrative-driven retro-cyberpunk survival horror.

2027ActionAdventureWindowsby R_Games
SYSTEM INTRUDER — Steam game cover

Players who liked SYSTEM INTRUDER also play

Steam players who put hours into SYSTEM INTRUDER 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.

  1. Redemption

    WHY THIS

    Top pick for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action with SYSTEM INTRUDER.

    A first-person action horror game set in a military research facility infested with dangerous creatures, navigate your escape while battling to stay alive in this enigmatic location.

    ActionIndieSteam ↗
  2. Fortune's Run

    WHY THIS

    Second-strongest match for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action with SYSTEM INTRUDER.

    Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.

    2023ActionIndieEarly Access19.99 USDDeck PlayableSteam ↗
  3. Ion Fury

    WHY THIS

    Third-strongest match for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action with SYSTEM INTRUDER.

    3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!

    2019ActionIndie24.99 USDDeck PlayableSteam ↗
  4. System Shock

    WHY THIS

    Ranked #4 for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with SYSTEM INTRUDER.

    A first-person fight to the death in the depths of space!

    2023ActionAdventure39.99 USDDeck PlayableSteam ↗
  5. Prey

    WHY THIS

    Ranked #5 for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with SYSTEM INTRUDER.

    In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.

    2017ActionAdventure29.99 USDDeck VerifiedSteam ↗
  6. System Shock® 2 (1999)

    WHY THIS

    Ranked #6 for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action with SYSTEM INTRUDER.

    "Remember, it is my will that guided you here. It is my will that gave you your cybernetic implants, the only beauty in that meat you call a body. If you value that meat... you will do as I tell you." The cult classic sci-fi horror FPS-RPG has returned.

    2013ActionRPGDeck PlayableSteam ↗
  7. Neckbreak

    WHY THIS

    Ranked #7 for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with SYSTEM INTRUDER.

    An overdose of reality can have dire consequences... Tumble down the rabbit hole and embrace your downfall with 12 endings, non linear day by day progression, sanity system and more...

    2022ActionIndieAdventure15.99 USDDeck VerifiedSteam ↗
  8. HYPERVIOLENT

    WHY THIS

    Ranked #8 for SYSTEM INTRUDER fans by collaborative filtering across millions of Steam libraries. Shares Action with SYSTEM INTRUDER.

    An ancient evil has awoken in the depths of a remote mining asteroid, stirred from its slumber by man's lust for power. Unaware, you answer a distress call and become stranded, surrounded by monstrous foes. Unravel the mystery of this madness and stop its spread in this horror retro shooter!

    2025ActionIndie14.99 USDSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with SYSTEM INTRUDER.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with SYSTEM INTRUDER.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with SYSTEM INTRUDER.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with SYSTEM INTRUDER.

    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.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with SYSTEM INTRUDER.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  7. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  8. Sheepy: A Short Adventure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with SYSTEM INTRUDER.

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗

More from R_Games

Other recommendable Steam games by R_Games, ranked by review count so the studio's hits land first.

  1. ZERO PROTOCOL

    WHY THIS

    Another title from R_Games, the studio behind SYSTEM INTRUDER. Shares Action and Adventure with SYSTEM INTRUDER.

    In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.

    2024ActionAdventure5.99 USDDeck PlayableSteam ↗
  2. REPLIKATOR

    WHY THIS

    Another title from R_Games, the studio behind SYSTEM INTRUDER. Shares Action and Adventure with SYSTEM INTRUDER.

    In this twin stick roguelite shooter, you play as one of the galactic mercenaries, explore a mysterious scientific complex and uncover the secret of the REPLIKATOR project.

    2022ActionIndieAdventure5.99 USDDeck VerifiedSteam ↗
  3. INSPACE 2980

    WHY THIS

    Another title from R_Games, the studio behind SYSTEM INTRUDER. Shares Action and Adventure with SYSTEM INTRUDER.

    INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!

    2018ActionIndieAdventure2.99 USDSteam ↗
  4. Iron Dungeon

    WHY THIS

    Another title from R_Games, the studio behind SYSTEM INTRUDER. Shares Action with SYSTEM INTRUDER.

    Iron Dungeon combines a twin-stick shooter, a 2d platformer and a roguelite. Explore a dangerous underground complex in search of dozens of weapons, gadgets and upgrades to find a way to the surface and find out if there is still life on Earth!

    2023ActionIndie9.99 USDSteam ↗
  5. WATERPUNK

    WHY THIS

    Another title from R_Games, the studio behind SYSTEM INTRUDER. Shares Action and Adventure with SYSTEM INTRUDER.

    A roguelite action game inspired by the legendary Enter the Gungeon and Nuclear Throne, set in a post-apocalyptic aquatic world. Shape your strategy by choosing which abilities shine by day and which awaken at night.

    2026ActionIndieAdventure8.99 USDSteam ↗

Frequently asked about SYSTEM INTRUDER

What games are most similar to SYSTEM INTRUDER?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside SYSTEM INTRUDER are Redemption, Fortune's Run, Ion Fury.
Who developed SYSTEM INTRUDER?
SYSTEM INTRUDER was developed by R_Games.

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 SYSTEM INTRUDER.

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