IMHO.

Single-player games like Project Absentia

Below are 10 single-player Steam games similar to Project Absentia, 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 Project Absentia page.

Ranked picks

  1. 1
    Viscerafest — Steam game cover

    Viscerafest

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

    Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.

    2025ActionIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Zortch — Steam game cover

    Zortch

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

    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 →
  3. 3
    Blood High! — Steam game cover

    Blood High!

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

    A vampire cursed to live with head and body separated. Shoot blood as ammo, execute enemies with your flying head, and survive. Overflow your HP to unleash Blood High Mode! Dive into hardcore, over-the-top boomer shooter action soaked in blood.

    2026Action5.39 USDSingle-playerSimilar games →
  4. 4
    Forgive Me Father — Steam game cover

    Forgive Me Father

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

    Forgive Me Father is a dark retro horror FPS set in a comic book style world inspired by the novels of H.P. Lovecraft. As the only one left with full senses, you begin a journey in search of answers and relief. How long can you last?

    2022ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    REVEREND — Steam game cover

    REVEREND

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

    A retro first-person shooter inspired by Blood, Duke Nukem 3D, and Rise of the Triad. REVEREND is a dark, twisted tale with religious undertones, terrifying creature designs and one hell of a personality.

    2024Action2.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    MOUSE: P.I. For Hire — Steam game cover

    MOUSE: P.I. For Hire

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

    Join private investigator Jack Pepper on a guns blazing, jazz-fueled adventure in MOUSE: P.I. For Hire. MOUSE combines the charm of hand-drawn rubber hose animation inspired by the classic cartoons of the 1930’s with the adrenaline and action of an explosive first person shooter.

    2026ActionIndie29.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    CARNAL — Steam game cover

    CARNAL

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

    CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!

    2021ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  8. 8
    WRATH: Aeon of Ruin — Steam game cover

    WRATH: Aeon of Ruin

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

    Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

    2024Action24.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Rise of the Triad — Steam game cover

    Rise of the Triad

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

    Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.

    2013Action14.99 USDSingle-playerSimilar games →
  10. 10
    DOOM — Steam game cover

    DOOM

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

    Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.

    2016Action19.99 USDDeck VerifiedSingle-playerSimilar games →