IMHO.

Single-player games like Trench Knight

Below are 8 single-player Steam games similar to Trench Knight, 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 Trench Knight page.

Ranked picks

  1. 1
    Vugluskr: Zombie Rampage — Steam game cover

    Vugluskr: Zombie Rampage

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

    Survive a medieval zombie apocalypse in non-linear levels. Collect crystals and keys to uncover the dark story behind a biohazard outbreak, and choose your playstyle wisely to unlock multiple game endings. Can you run, shoot, and outlast the undead horde?

    2019ActionIndie4.99 USDSingle-playerSimilar games →
  2. 2
    BRINE — Steam game cover

    BRINE

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

    Something smells fishy in Cornwall. A mutated, violent uprising of local seafood has surged from the depths, claiming the coast for themselves. At the centre stands a disgruntled fisherman. Fight through quintessentially Cornish environments in retro FPS flair. Half the res, double the fun!

    ActionEarly AccessSingle-playerSimilar games →
  3. 3
    Hexborn — Steam game cover

    Hexborn

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

    A blood-fueled roguelite FPS inspired by Doom and Vampire Survivors — but instead of one arena, fight through cursed labyrinths that reshape every run. Draft brutal perks, wield occult firepower, and survive escalating horrors with a retro shooter soul.

    ActionIndieSingle-playerSimilar games →
  4. 4
    Forgive Me Father — Steam game cover

    Forgive Me Father

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

    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
    UNYIELDER — Steam game cover

    UNYIELDER

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

    UNYIELDER is an intense Boss-rush Movement-FPS. Assemble your arsenal of destruction, smash your way through waves of bosses, face your own Final-Boss.

    2025ActionIndieRPG12.49 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    DUSK — Steam game cover

    DUSK

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

    Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.

    2018ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Forgive Me Father 2 — Steam game cover

    Forgive Me Father 2

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

    Embark on a journey into the darkest nightmares to restore your sanity. Blast your way through hordes of possessed enemies, unlock an arsenal of deadly weapons and unearthly abilities, and get ready to face even more Lovecraftian madness in this action-packed FPS sequel.

    2024ActionIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Slyders — Steam game cover

    Slyders

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

    Slyders is a survivor-like, roguelite bullet-hell FPS where you fight overwhelming hordes of enemies and unleash a ridiculous arsenal of upgrades. You’re Aryx, a fearless fox freedom fighter on his supersonic battle turtle who aims to liberate Sky World from evil.

    2025Action14.99 USDDeck PlayableSingle-playerSimilar games →