IMHO.

Single-player games like Entity Researchers: Prologue

Below are 8 single-player Steam games similar to Entity Researchers: Prologue, 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 Entity Researchers: Prologue page.

Ranked picks

  1. 1
    Entity Researchers — Steam game cover

    Entity Researchers

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares Indie and RPG with Entity Researchers: Prologue.

    You just got hired by EIRI; researching and battling the Visitors, a dark sci-fi RPG with themes of exploration and survival.

    2022IndieRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Dead Underworld — Steam game cover

    Dead Underworld

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares RPG with Entity Researchers: Prologue.

    Dead Underworld is an unforgiving dungeon-diving turn-based roguelike. Pick your path, choose your battles, scavenge to survive, improve your party and gain power among factions to delve deeper into a desolate realm.

    StrategyRPGSingle-playerSimilar games →
  3. 3
    Phoenix Point — Steam game cover

    Phoenix Point

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares RPG with Entity Researchers: Prologue.

    The acclaimed strategy game from the creator of X-COM. Fight tactical battles on procedural maps against a foe that adapts to your tactics. Manage diplomacy and economy on a global scale. Research, explore, overcome. Now includes Steam Workshop support for mods!

    2020StrategyRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Those Who Rule — Steam game cover

    Those Who Rule

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares Indie and RPG with Entity Researchers: Prologue.

    Join three fresh recruits caught in a web of betrayal as war looms over the land. Lead your band of heroes through tactical turn-based battles, master unique abilities, and forge powerful gear to turn the tide of battle. Will you unravel the conspiracy driving the conflict—or be consumed by it?

    2025StrategyIndieRPG17.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Cyber Knights: Flashpoint — Steam game cover

    Cyber Knights: Flashpoint

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares Indie and RPG with Entity Researchers: Prologue.

    Cyberpunk mercenaries RPG! Turn-based squad tactics with unique heist-planning strategy. Build your crew wisely; their stories will become interwoven with your own. Pull off heists with powerful cyberware, faction connections, multiclassing, weapon modding, stealth, hacking, and more!

    2025ActionStrategyIndie29.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Lost Dimension — Steam game cover

    Lost Dimension

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares RPG with Entity Researchers: Prologue.

    In the near future a terrorist mastermind, known only as ‘The End’, threatens humanity with nuclear armageddon. A special task force, the S.E.A.L.E.D team, are the only ones who can stop him: a group of young combatants with incredible abilities and each with a mysterious past.

    2017StrategyRPG24.99 USDSingle-playerSimilar games →
  7. 7
    Encased: A Sci-Fi Post-Apocalyptic RPG — Steam game cover

    Encased: A Sci-Fi Post-Apocalyptic RPG

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares Indie and RPG with Entity Researchers: Prologue.

    A tactical sci-fi RPG set in an alternative 1970's, where an enormous and inexplicable artifact –the Dome– is discovered in a remote desert. Fight enemies, explore the anomalous wasteland, level up your character, join one of the forces in the ruined world.

    2021StrategyIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Mewgenics — Steam game cover

    Mewgenics

    Single-player alternative to Entity Researchers: Prologue — playable solo, no multiplayer required. Shares Indie with Entity Researchers: Prologue.

    Build the ultimate cat army through tactical breeding and send them into deep, challenging turn-based adventures. Draft abilities, collect items, and manipulate genetics across generations in this roguelike tactics game from the creators of The Binding of Isaac and The End is Nigh.

    2026StrategyIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →