IMHO.

Single-player games like Invention 4

Below are 8 single-player Steam games similar to Invention 4, 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 Invention 4 page.

Ranked picks

  1. 1
    Medved Hellraiser 2 — Steam game cover

    Medved Hellraiser 2

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    Continuation of the carbon monoxide trash shooter. The player has to go through all the levels, burning enemies with a fire ax, and shooting them with a shotgun and grenade launcher musket.

    2023ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  2. 2
    孤胆惊魂3:起源 Fear3:Origins — Steam game cover

    孤胆惊魂3:起源 Fear3:Origins

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    This is a pixel style puzzle, survival, adventure, survival, horror shooting game, the game perspective using a top view angle, you will control Ling Feng (the protagonist) in the monster attack to survive, and to find the truth.

    2022ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  3. 3
    Vomitoreum — Steam game cover

    Vomitoreum

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    Vomitoreum is an FPS Metroidvania with a focus on atmosphere and horror, inspired by the paintings of Zdzisław Beksiński.

    2021ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  4. 4
    Daymare: 1998 — Steam game cover

    Daymare: 1998

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission.

    2019ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Walking Dead Onslaught — Steam game cover

    The Walking Dead Onslaught

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    There’s no rest when survival is on the line. Step into AMC’s The Walking Dead and prepare for an onslaught of walkers as you assume the roles of your favorite characters from the show, and confront the horrors and humanity of this apocalyptic new world.

    2020ActionIndieAdventure29.99 USDSingle-playerSimilar games →
  6. 6
    The Walking Dead: Saints & Sinners — Steam game cover

    The Walking Dead: Saints & Sinners

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    Saints & Sinners is a game unlike any other in The Walking Dead universe. Every challenge you face and decision you make is driven by YOU. Fight the undead, scavenge through the flooded ruins of New Orleans, and face gut-wrenching choices for you and the other survivors. Live The Walking Dead.

    2020ActionStrategyIndie19.99 USDSingle-playerSimilar games →
  7. 7
    Zortch — Steam game cover

    Zortch

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    Meet Zortch Maxinum: short order cook, amateur engineer and professional slacker; Bored and tired of her day job she decides to go on a holiday but alas she picks a cheap option: turns out it's a scheme by aliens who capture humans to eat their brains! also this game is a sci-fi horror comedy fps

    2023ActionIndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Hellblade: Senua's Sacrifice — Steam game cover

    Hellblade: Senua's Sacrifice

    Single-player alternative to Invention 4 — playable solo, no multiplayer required. Shares Action and Indie with Invention 4.

    From the makers of Heavenly Sword, Enslaved: Odyssey to the West, and DmC: Devil May Cry, comes a warrior’s brutal journey into myth and madness. Set in the Viking age, a broken Celtic warrior embarks on a haunting vision quest into Viking Hell to fight for the soul of her dead lover.

    2017ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →