IMHO.

Single-player games like SIGILLUM

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

Ranked picks

  1. 1
    Evil Officer — Steam game cover

    Evil Officer

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

    You are kidnapped and locked up in Jail. Can you escape? Well, it's not gonna be easy when the Evil Officer is roaming around!

    2023ActionStrategyAdventure3.99 USDSingle-playerSimilar games →
  2. 2
    虚衝 - Kyosho — Steam game cover

    虚衝 - Kyosho

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

    A one-hit kill game that embodies tension and a sense of relief. As you slash away at the waves of defeated warriors, use your inventory to solve puzzles and uncover the secrets of the samurai mansion. In this cursed mansion in dire straits, can you survive and uncover the truth?

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  3. 3
    5 nights at Timokha 4: School — Steam game cover

    5 nights at Timokha 4: School

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

    Continuation of the legendary saga about the naughty Timokha and his delicious pie!

    2024ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  4. 4
    Metro Exodus — Steam game cover

    Metro Exodus

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

    Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet.

    2020Action29.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Bughouse — Steam game cover

    Bughouse

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

    Play as Christopher, a kid left home alone with a terrifying STALKER on the loose! Try and survive in this 80's, PS1 inspired, Home Invasion Survival Horror game - OR DIE TRYING!

    2022ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    Blood West — Steam game cover

    Blood West

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

    Weird west legends meet eldritch horror in BLOOD WEST, an immersive stealth FPS. Become the Undead Gunslinger, doomed to roam the barren lands until he manages to purge their curse, freeing his soul. 3 varied scenarios, perk-based character progression, and 20+ hours of gameplay await you!

    2023ActionIndieRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Prey — Steam game cover

    Prey

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

    In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.

    2017ActionAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Trenches - World War 1 Horror Survival Game — Steam game cover

    Trenches - World War 1 Horror Survival Game

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

    Trenches is a First-Person World War l Survival Horror Game where you have to escape the claustrophobic environment and experience the war from the eyes of a soldier caught behind enemy lines in this surreal nightmare as you fight for your life and sanity to get back home to your family.

    2023ActionIndieAdventure9.99 USDSingle-playerSimilar games →