IMHO.

Single-player games like System Clues

Below are 8 single-player Steam games similar to System Clues, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like System Clues page.

Ranked picks

  1. 1
    Hacker The Dark Shadow — Steam game cover

    Hacker The Dark Shadow

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Strategy and Indie with System Clues.

    Become a young programmer diving into the dangerous world of cybercrime. When the elite hacking collective Dark Shadows challenges you with a series of ruthless trials, you must push your genius to the limit. Will you prove your worth or become another digital casualty?

    2026StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Zero Trust — Steam game cover

    Zero Trust

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    An action hacking simulator set in a fully simulated world. Choose your path, craft your own tools, exploit vulnerabilities, and build your reputation. Every company, hacker, and law enforcement agency operates independently — nothing happens by chance. Every playthrough is unique.

    2026ActionIndieSimulationSingle-playerSimilar games →
  3. 3
    Netshell — Steam game cover

    Netshell

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    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.

    IndieSimulationSingle-playerSimilar games →
  4. 4
    Agents! Please? — Steam game cover

    Agents! Please?

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    The AI writes all the code. Confidently. Wrong. You are the last human reviewer. Interrogate the swarm, run the code, catch the lie. Fix it, or ship it anyway. Next comes a problem, a recall, a funeral, or the end of the world. Plays fully on a controller, and the code is real when you want it.

    2026IndieSimulationCasual3.23 USDSingle-playerSimilar games →
  5. 5
    Anonymous Hacker Simulator: Prologue — Steam game cover

    Anonymous Hacker Simulator: Prologue

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    Step into the shoes of a skilled Anonymous hacker and embark on a mission to unveil the truth hidden behind a sinister organization's plans to monitor civilian data and enforce mass surveillance.

    2023IndieSimulationFreeDeck PlayableSingle-playerSimilar games →
  6. 6
    Anonymous Hacker Simulator — Steam game cover

    Anonymous Hacker Simulator

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    Step into the shoes of a skilled Anonymous hacker and embark on a mission to unveil the truth hidden behind a sinister organization's plans to monitor civilian data and enforce mass surveillance.

    2024IndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Hardwork Simulator — Steam game cover

    Hardwork Simulator

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    A game about fooling others! (6th place Innovation Category Ludum Dare #49 Compo)

    2021ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  8. 8
    Hacknet — Steam game cover

    Hacknet

    Single-player alternative to System Clues — playable solo, no multiplayer required. Shares Indie and Simulation with System Clues.

    Hacknet is an immersive, terminal-based hacking simulator for PC. Dive down a rabbit hoIe as you follow the instructions of a recently deceased hacker, whose death may not have been the accident the media reports.

    2015IndieSimulation9.99 USDSingle-playerSimilar games →