IMHO.

Single-player games like Serious Sam: Tormental

Below are 11 single-player Steam games similar to Serious Sam: Tormental, 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 Serious Sam: Tormental page.

Ranked picks

  1. 1
    I Hate Running Backwards — Steam game cover

    I Hate Running Backwards

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    I Hate Running Backwards is a never-ending adrenaline packed shoot'em down roguelite that puts the emphasis on destruction and fighting never ending waves of enemies while time traveling through procedurally generated worlds!

    2018ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Mystic Gate — Steam game cover

    Mystic Gate

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    A Mystic Gate created by the gods suddenly appears in the human world. Adventurers challenge themselves with the tests that await them beyond the gate. In order to earn your wish you must defeat hordes & bosses in this roguelike dungeon exploration bullet hell!!

    2023ActionIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Serious Sam's Bogus Detour — Steam game cover

    Serious Sam's Bogus Detour

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Serious Sam’s Bogus Detour is an all-new action-adventure in the legendary Serious Sam saga from Hammerwatch developer Crackshell.

    2017ActionIndie9.99 USDSingle-playerSimilar games →
  4. 4
    Nuclear Throne — Steam game cover

    Nuclear Throne

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

    2015ActionIndieRPG11.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Blazing Beaks — Steam game cover

    Blazing Beaks

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Roguelite - where too much greediness can be fatal. A colorful world with armed birds blazing their way through piles of mutants, monsters and creepy creatures. Lots of mysteries to unravel, secrets to discover and levels to explore.

    2019ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Greedland — Steam game cover

    Greedland

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    "Greedland” is a roguelike game mixed with survivor-like elements. It's reminiscent of Crimsonland and Vampire Survivors, and as the battle progresses your character will become a mobile arsenal of destruction!

    2025ActionIndieAdventure6.49 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Woodpunk — Steam game cover

    Woodpunk

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Woodpunk is an exhilarating roguelike bullet hell retro pixel art shooter in a medieval Woodpunk universe, where the primary energy resource is WOOD.

    2018ActionIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Shape Shifter: Formations — Steam game cover

    Shape Shifter: Formations

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action with Serious Sam: Tormental.

    Shape Shifter: Formations is an action twin-stick shooter with rogue-lite elements, where you must destroy hordes of geometric enemies alone or with a friend. Select your ship and combine a large variety of weapons, abilities and infinitely stacking upgrades to craft your own unique build.

    2025ActionRPGFree To Play14.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    The Binding of Isaac — Steam game cover

    The Binding of Isaac

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Now 20% More Evil with the Free Halloween update!

    2011ActionIndieAdventure1.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Serious Sam 3: BFE — Steam game cover

    Serious Sam 3: BFE

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!

    2011ActionIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Hades — Steam game cover

    Hades

    Single-player alternative to Serious Sam: Tormental — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam: Tormental.

    Defy the god of the dead as you hack and slash out of the Underworld in this rogue-like dungeon crawler from the creators of Bastion, Transistor, and Pyre.

    2020ActionIndieRPG24.99 USDDeck VerifiedSingle-playerSimilar games →