IMHO.

Single-player games like PhantomZone SemiDeus

Below are 9 single-player Steam games similar to PhantomZone SemiDeus, 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 PhantomZone SemiDeus page.

Ranked picks

  1. 1
    Shinjuku Anomaly — Steam game cover

    Shinjuku Anomaly

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    You have a part-time job taking photos of anomalies in the night in Shinjuku.

    2026IndieAdventureSingle-playerSimilar games →
  2. 2
    Mortadelo y Filemón: Terror, Espanto y Pavor — Steam game cover

    Mortadelo y Filemón: Terror, Espanto y Pavor

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    Mort and Phil travel to the world of horror cinema in this adventure, thanks to Dr. Bacterio (of course!).

    2024Adventure4.99 USDSingle-playerSimilar games →
  3. 3
    ODEN — Steam game cover

    ODEN

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    ODEN: Divine Destiny in a Steaming Bowl - Serve Japanese soul food with mystical powers at your midnight oden cart. Choose the perfect ingredients to heal broken lives in this heartwarming journey.

    2025IndieAdventure0.89 USDSingle-playerSimilar games →
  4. 4
    Mongolian Death Worm Capture Department Activity Record — Steam game cover

    Mongolian Death Worm Capture Department Activity Record

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    I arrived in the land of Mongolia to capture the Mongolian Death Worm. To capture my beloved Mongolian Death Worm and save our Mongolian Death Worm Capture Department from extinction. ◆Game Introduction This is a visual novel style visual novel game. The estimated playing time is about 1 hour.

    2025IndieAdventure2.99 USDSingle-playerSimilar games →
  5. 5
    ファントムゾーン クリプトファシア — Steam game cover

    ファントムゾーン クリプトファシア

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    The future is just a toe away, where supernatural phenomena are frequent. Two identical twins, Akihito and Fuyuto Shirahane. They are caught up in a strange phenomenon in Yomori City, a town where various legends swirl around them.

    2021IndieAdventure12.99 USDSingle-playerSimilar games →
  6. 6
    ROAD59 A Yakuza’s Last Stand — Steam game cover

    ROAD59 A Yakuza’s Last Stand

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    Born as the heir to a crime syndicate, yet longing for an ordinary and peaceful life, the kind-hearted protagonist fights desperately to protect their loved ones. Set against a backdrop of towering skyscrapers, this visual novel weaves together the lives of 23 characters in a modern-day legend.

    2025Adventure29.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Mediterranea Inferno — Steam game cover

    Mediterranea Inferno

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    Explore the inner demons of three childhood friends on a summer retreat. Unearth secrets, fears and obsessions as you help them reconnect and rediscover themselves. A mature and treacherous visual novel from the creator of Milky Way Prince – The Vampire Star.

    2023Adventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    The Wolf Among Us — Steam game cover

    The Wolf Among Us

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    From the makers of the 2012 Game of the Year: The Walking Dead, comes a thriller based on the award-winning Fables comic books. As Bigby Wolf you will discover that a brutal, bloody murder is just a taste of things to come in a game series where your every decision can have enormous consequences.

    2013ActionAdventureCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    PhantomZone labyrinthos ファントムゾーン・ラビュリントス — Steam game cover

    PhantomZone labyrinthos ファントムゾーン・ラビュリントス

    Single-player alternative to PhantomZone SemiDeus — playable solo, no multiplayer required. Shares Adventure with PhantomZone SemiDeus.

    ”The nightmare that never allows waking lasts forever.” You wake up from bed and a girl appears before you. She calls herself “Entourfe,” a management support android. The stage is a strange facility, and you will explore the inside of the strange facility with her. ......

    2026IndieAdventureSingle-playerSimilar games →