IMHO.

Games like Backdoor

If Backdoor is your kind of game, the closest matches are System Clues, Netshell and Hifuu OS: Hack Into the Barrier — 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 Backdoor: Backdoor is a hacking simulation set in the early days of the Internet. You enter the underground world as a freelance hacker. Build your reputation, upgrade your tools, and take jobs from small clients or large corporations.

IndieAdventureSimulationRPGWindowsby Ninja Chompek
Backdoor — Steam game cover

Players who liked Backdoor also play

Steam players who put hours into Backdoor 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. System Clues

    WHY THIS

    Top pick for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Backdoor.

    You pick up a laptop on the roadside. Boot it, log in, read emails, scroll chat logs — and NexusCore scandals surface: financial fraud, employee surveillance, an AI performance system. Will you stay a bystander, dig in, or gather evidence yourself? Every keystroke reshapes the fate of the world.

    2026StrategyIndieSimulationSteam ↗
  2. Netshell

    WHY THIS

    Second-strongest match for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Backdoor.

    A 90s-themed hacking simulation with real shell commands and authentic techniques, set inside a UNIX-style operating system from 1997 with accurately recreated applications. Scan ports, exploit vulnerabilities, evade traces, join the underground, and live the Wild West era of the early internet.

    IndieSimulationSteam ↗
  3. Hifuu OS: Hack Into the Barrier

    WHY THIS

    Third-strongest match for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Backdoor.

    Hifuu OS: Immersive hacking simulator based on the Touhou Project. Play as Renko Usami, learn and use authentic terminal commands to hack into the Great Hakurei Barrier. Unravel the truth behind Maribel Hearn's mysterious coma as you search through Gensokyo's secret and private documents.

    IndieAdventureSimulationFreeSteam ↗
  4. Ghostpunk

    WHY THIS

    Ranked #4 for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Backdoor.

    Investigate paranormal cases using a 1990s CRT terminal. Analyze photos. Decode audio. Interrogate suspects and decide what’s real, what’s fake and who’s lying. But the deeper you go, the more the system starts watching you back.

    StrategyIndieAdventureSteam ↗
  5. VSCS-II

    WHY THIS

    Ranked #5 for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Backdoor.

    VSCS-II is a retro-styled narrative game about privacy and security. Using an upgraded '80s operating system, navigate an underground network to make connections, unearth conspiracies, and ultimately decide the fate of the dark web.

    2024IndieAdventureSimulation9.99 USDDeck PlayableSteam ↗
  6. Flashpaper

    WHY THIS

    Ranked #6 for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Backdoor.

    You are the unseen hand — the resistance's digital arm inside a regime that has begun burning books. Crack the Concord's networks from a green-phosphor terminal, cover every log you touch before the trace fills, and get paid off-grid. 24 missions. Three you are not meant to win.

    2026StrategyIndieAdventure14.99 USDSteam ↗
  7. Cyber Manhunt

    WHY THIS

    Ranked #7 for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Backdoor.

    Cyber Manhunt is a story-oriented puzzle game focusing on big data, hacking, citizen privacy, and social workers. It focuses on social issues such as cyber violence and privacy breaches.

    2021IndieSimulationRPG9.99 USDDeck PlayableSteam ↗
  8. HACK_IT

    WHY THIS

    Ranked #8 for Backdoor fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Backdoor.

    HACK_IT presents players with a fully immersive hacking experience, you’ll meet characters and find out things you never imagined. Including interactive apps that will give you the power to shutdown servers and retrieve passwords.

    2016ActionStrategyIndie13.99 USDSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

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

    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 ↗
  2. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Backdoor.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

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

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Backdoor.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗
  8. STRAFTAT

    WHY THIS

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

    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 ↗

Frequently asked about Backdoor

What games are most similar to Backdoor?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Backdoor are System Clues, Netshell, Hifuu OS: Hack Into the Barrier.
Who developed Backdoor?
Backdoor was developed by Ninja Chompek.

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 Backdoor.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.