IMHO.

Single-player games like Sentry City

Below are 11 single-player Steam games similar to Sentry City, 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 Sentry City page.

Ranked picks

  1. 1
    GIGABUSTER — Steam game cover

    GIGABUSTER

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    Fiery action platformer heavily inspired by the Mega Man X series, focused on fast and fluid movement and combat. Jump, dash, shoot and swing to stop mergers with the GEC, a monopoly funding the mysterious "Happiness Project."

    2022ActionIndie9.99 USDSingle-playerSimilar games →
  2. 2
    CrushBorgs — Steam game cover

    CrushBorgs

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    "Run and Gun" oldschool single-player platformer with NES aesthetics, including an authentic 8-bit chiptune.

    2022ActionIndie4.99 USDSingle-playerSimilar games →
  3. 3
    Berserk Boy — Steam game cover

    Berserk Boy

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    BERSERK BOY is a high speed action packed Platformer, with Metroidvania elements. Packed with vibrant and stylish pixel art. Go Berserk! as you change into different forms and use the power of Lightning, Fire, Ice, Air, and Earth to save the planet!

    2024ActionIndieAdventure20.00 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    INAYAH - Life after Gods — Steam game cover

    INAYAH - Life after Gods

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    A hand-drawn 2D metroidvania in a post-apocalyptic world. Forge your destiny in a non-linear story with multiple endings. Explore diverse biomes, conquer 20+ unique bosses, and master a magical Gauntlet with ever-evolving powers.

    2025ActionIndie7.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    BLADECHIMERA — Steam game cover

    BLADECHIMERA

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    Explore a dark and sinister Osaka as the Demon Hunter Shin. Battle demons, regain lost skills, and uncover the truth of your forgotten past in this exciting occult-inspired cyberpunk metroidvania.

    2025ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Cyber Shadow — Steam game cover

    Cyber Shadow

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    The world has been taken over by synthetic lifeforms. A desperate plea for help sets Shadow, the sole survivor of his clan, on one last mission to uncover what started the path to perpetual ruin.

    2021ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Ghost 1.0 — Steam game cover

    Ghost 1.0

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    A mysterious agent, capable of becoming a digital ghost, sneaks aboard the Nakamura Space Station. This is where the fun begins: the station is well-protected with its heavy defences, never-ending arsenal of weapons, and mysterious artifacts. It will all have to be destroyed.

    2016ActionIndieAdventure12.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    LUNARK — Steam game cover

    LUNARK

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action and Indie with Sentry City.

    A pixel-art sci-fi adventure set in the midst of a rebellion against a totalitarian regime, LUNARK is a modern take on the 2D cinematic platformer genre of the '90s. Run, jump, hang, climb, roll, and shoot your way through gorgeous and mysterious locations!

    2023ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Alum — Steam game cover

    Alum

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Indie with Sentry City.

    Guide Alum on his journey through the "Land of Tide". Help him discover the truth about his city, Kosmos, and the mysterious epidemic known as "The Vague". As the tale unfolds, it will keep you enthralled all the way up to its epic conclusion. Alum is an original point-and-click adventure game.

    2015IndieAdventureRPG4.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Wildwood Down — Steam game cover

    Wildwood Down

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Indie with Sentry City.

    Step into the hilariously twisted world of Wildwood Down, a side-splitting comedy thriller. Featuring a protagonist with Down Syndrome. (Inspired by and voice acted by the Dev's childhood friend!) Perfect for fans of the P-n-C adventure genre and new comers looking for a wild heartfelt ride!

    2025IndieAdventureCasual10.39 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Dark Engines — Steam game cover

    Dark Engines

    Single-player alternative to Sentry City — playable solo, no multiplayer required. Shares Action with Sentry City.

    Choose a juggernaut and blast through a dark fantasy campaign of brutal car combat, bosses, and unlocks. Then bring the carnage online in tight team-based multiplayer where explosives, magic, and heavy metal decide who survives.

    ActionSingle-playerSimilar games →