IMHO.

Single-player games like Paranautical Activity: Deluxe Atonement Edition

Below are 14 single-player Steam games similar to Paranautical Activity: Deluxe Atonement Edition, 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 Paranautical Activity: Deluxe Atonement Edition page.

Ranked picks

  1. 1
    Tower of Guns — Steam game cover

    Tower of Guns

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Tower of Guns is a fast paced first-person-shooter for the twitch gamer... with a few randomized elements to keep it fresh with each playthrough. It's a short burst "Lunch Break FPS"... not unlike Binding of Isaac mixed with Doom 2. Tower of Guns was made by a guy named Joe (with his brother Mike composing the music).

    2014ActionIndie14.99 USDSingle-playerSimilar games →
  2. 2
    Ziggurat — Steam game cover

    Ziggurat

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Dungeon-Crawling First Person Shooting at its finest! Fast-paced combat! Dozens of perks, spells and enemies! Level ups! Random Dungeons! Traps! Badass bosses! Carrots!

    2014ActionIndieRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Immortal Redneck — Steam game cover

    Immortal Redneck

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Immortal Redneck is a FPS set in Egypt with rogue-lite elements. Frantic gameplay, twitch controls and an arcade-style feel meet randomly generated dungeons, a complete skill tree, permanent death and 9 classes with different traits.

    2017ActionIndie19.95 USDSingle-playerSimilar games →
  4. 4
    Heavy Bullets — Steam game cover

    Heavy Bullets

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Heavy Bullets is a randomized FPS dungeon crawler where players make their way through a colorful maze, while protecting themselves from aggressive creatures and malfunctioning security devices. The goal lies at the end of the 8th level, where they must reset the security mainframe to restore order and reap the rewards.

    2014ActionIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    STRAFE: Gold Edition — Steam game cover

    STRAFE: Gold Edition

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    STRAFE® is the worlds bloodiest roguelike first-person shooter! Featuring mind melting secrets and persistent gore that allows you to paint levels red with the excessive entrails of your enemies. 30+ weapons, 20+ enemies, & a red hot soundtrack.

    2017ActionIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Eldritch — Steam game cover

    Eldritch

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Eldritch is the original imsim roguelike: a first-person action game inspired by roguelikes, immersive sims, and H. P. Lovecraft.

    2013ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Rogue Islands — Steam game cover

    Rogue Islands

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Rogue Islands is a fast-paced, first-person shooter with magic & monsters set in a procedural fantasy wilderness. Explore forests, deserts, caves and mountains. Gain in power as you eradicate a demonic horde and inch closer to the Lords of Torment.

    2017ActionStrategyIndieFreeDeck PlayableSingle-playerSimilar games →
  8. 8
    MOTHERGUNSHIP — Steam game cover

    MOTHERGUNSHIP

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    MOTHERGUNSHIP is a bullet-hell FPS where you craft your own guns, fight gigantic bosses, and defeat a robotic alien armada that conquered Earth. Face off against overwhelming odds in brutal, non-stop combats where thinking on your feet is the only way to survive.

    2018ActionIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Quake — Steam game cover

    Quake

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action with Paranautical Activity: Deluxe Atonement Edition.

    Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    The Binding of Isaac — Steam game cover

    The Binding of Isaac

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Now 20% More Evil with the Free Halloween update!

    2011ActionIndieAdventure1.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Spelunky — Steam game cover

    Spelunky

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Indie with Paranautical Activity: Deluxe Atonement Edition.

    Spelunky is a unique platformer with randomized levels that offer a challenging new experience each time you play. Journey deep underground and explore fantastic places filled with all manner of monsters, traps, and treasure.

    2013Indie14.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    DOOM — Steam game cover

    DOOM

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action with Paranautical Activity: Deluxe Atonement Edition.

    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 →
  13. 13
    Gunfire Reborn — Steam game cover

    Gunfire Reborn

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Gunfire Reborn is a level-based adventure game featuring FPS, Roguelite and RPG. Players can control heroes with various abilities to experience diverse Build gameplay, use various weapons to explore procedurally-generated levels. You can play the game alone, or join 4-player coop.

    2021ActionIndieAdventure13.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    Blood Red — Steam game cover

    Blood Red

    Single-player alternative to Paranautical Activity: Deluxe Atonement Edition — playable solo, no multiplayer required. Shares Action and Indie with Paranautical Activity: Deluxe Atonement Edition.

    Blood Red is a co-op survival horror game that can be played with 1-4 players. Figure out the demon and banish it using your special demon hunting kit!

    2023ActionIndieAdventure9.99 USDSingle-playerSimilar games →