IMHO.

Single-player games like Operation Abyss: New Tokyo Legacy

Below are 22 single-player Steam games similar to Operation Abyss: New Tokyo Legacy, 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 Operation Abyss: New Tokyo Legacy page.

Ranked picks

  1. 1
    Operation Babel: New Tokyo Legacy — Steam game cover

    Operation Babel: New Tokyo Legacy

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    When a mysterious object—dubbed ‘the Embryo’—appears in the sky, the CPA and the Xth Squad are mobilized to face the new threat. Customize your characters with the innovative 'Sub-Blood' system, form your perfect team, and venture into deadly labyrinths to challenge the invaders!

    2017RPG3.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Stranger of Sword City — Steam game cover

    Stranger of Sword City

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    Your flight crashes after passing through a mysterious portal. As the sole survivor, you awaken to an unfamiliar land lit by stars you’ve never seen. This land is Escario. Quickly marked as the Chosen One, the Stranger of Sword City, you must defend this place, and choose your allegiances carefully...

    2016RPG3.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Labyrinth of Refrain: Coven of Dusk — Steam game cover

    Labyrinth of Refrain: Coven of Dusk

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    Beneath a small town lies an endless maze known as the Labyrinth of Refrain. Dusk Witch Dronya arrives, and with her puppet soldiers, endeavors to find something buried deep within. Embark on an adventure as you discover the secrets underground.

    2018StrategyRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Saviors of Sapphire Wings / Stranger of Sword City Revisited — Steam game cover

    Saviors of Sapphire Wings / Stranger of Sword City Revisited

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    In Saviors of Sapphire Wings, a fallen hero is reincarnated 100 years after being defeated by the Overlord of Darkness. Bond with allies, explore dungeons, and vanquish monsters in this RPG gem!

    2021RPG14.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Wizardry: Labyrinth of Lost Souls — Steam game cover

    Wizardry: Labyrinth of Lost Souls

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    The magic torches are lit, the monsters are ravenous, and the kingdom is waiting for a new hero. Experience the legendary Wizardry series’ modern rebirth as you traverse perilous dungeons and take on hordes of fantastic enemies. Are you up to the challenge?

    2020RPG14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Undernauts: Labyrinth of Yomi — Steam game cover

    Undernauts: Labyrinth of Yomi

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    Escape from “Yomi” – a dungeon filled with riches – and danger. Make use of your powerful skills and magic items to create exits and reach the surface alive.

    2021RPG29.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Infinite Adventures® — Steam game cover

    Infinite Adventures®

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    Infinite Adventures® is a turn-based, first-person dungeon crawler with deep party customization, strategic combat, and a fully voiced story. Inspired by classic RPGs for a nostalgic yet modern gameplay experience. Assemble your party and explore the Labyrinth to discover the truths of your past.

    2018IndieRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Elminage Gothic — Steam game cover

    Elminage Gothic

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    From the makers of the world renowned “Wizardry Empire” titles, Starfish SD brings you the latest entry in their popular series of dungeon crawlers. Elminage Gothic, previously only available in Japanese on PlayStation® Portable, now comes to PC offering a classic old school dungeon crawling experience with a dark, gothic twist!

    2014ActionStrategyAdventure9.99 USDSingle-playerSimilar games →
  9. 9
    Wizardry 8 — Steam game cover

    Wizardry 8

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    A New Wizardry for a New GenerationThe universe is in the throes of violent upheaval and change. Vast and mysterious forces are preparing for the final confrontation. A small group of heroes from distant lands must plunge into the heart of the maelstrom, to uncover long-forgotten secrets, and bring about a new era.

    2013AdventureRPG9.99 USDSingle-playerSimilar games →
  10. 10
    Might and Magic: Heroes VII – Trial by Fire — Steam game cover

    Might and Magic: Heroes VII – Trial by Fire

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    Five years after the epic events of Might & Magic Heroes VII, lead the new Fortress faction to define the destiny of the Dwarves and shed light on some of the darkest chapters of their history.

    2016StrategyRPG29.99 USDSingle-playerSimilar games →
  11. 11
    Beholder — Steam game cover

    Beholder

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    You’re a state-installed landlord in a totalitarian country. Place listening devices, steal and sneak into your tenants’ apartments. Use what you uncovered to report anyone capable of plotting against the state. You MUST! But WILL you?

    2016StrategyIndieAdventure13.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Generation Zero® — Steam game cover

    Generation Zero®

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op.

    2019ActionAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    Power Rangers: Battle for the Grid — Steam game cover

    Power Rangers: Battle for the Grid

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    Generations of Power Rangers collide across the multiverse’s 25 year history. Experience authentic, but reimagined Power Rangers gameplay. This easy to learn, but hard to master fighting game is designed to welcome players of all skill levels.

    2019Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    Legend of Grimrock — Steam game cover

    Legend of Grimrock

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required. Shares RPG with Operation Abyss: New Tokyo Legacy.

    Use the Dungeon Editor to build entirely new adventures and challenges for other players to solve.

    2012IndieAdventureRPG14.99 USDSingle-playerSimilar games →
  15. 15
    STEINS;GATE — Steam game cover

    STEINS;GATE

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    Developed by 5pb. and Nitroplus, STEINS;GATE was awarded Famitsu magazine's coveted annual Game of Excellence award and was voted one of the most emotionally charged “tear-inducing games” ever made, in a Famitsu poll. It is a gripping and moving Visual Novel, which has already spawned manga and anime adaptations.

    2016Adventure8.99 USDDeck PlayableSingle-playerSimilar games →
  16. 16
    STEINS;GATE 0 — Steam game cover

    STEINS;GATE 0

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    If you can't save the one you love… How can you save humanity? Sequel to the visual novel cult classic. Experience an alternate worldline of STEINS;GATE.

    2018Adventure8.74 USDDeck PlayableSingle-playerSimilar games →
  17. 17
    CHAOS;CHILD — Steam game cover

    CHAOS;CHILD

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    From the creators of the critically acclaimed STEINS;GATE comes a sensational new visual novel: CHAOS;CHILD. Set in Shibuya in 2015, a group of high school students who survived an earthquake six years ago find themselves at the center of a new series of bizarre murders in the city.

    2019Adventure12.49 USDDeck PlayableSingle-playerSimilar games →
  18. 18
    Phantom Breaker: Battle Grounds Classic — Steam game cover

    Phantom Breaker: Battle Grounds Classic

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    Phantom Breaker: Battle Grounds! Enjoy fast and frantic arcade-style beat 'em up gameplay with cute characters. Beat up hordes of weird enemies with awesome special attacks. Local co-op and PVP supported for up to 4 players!

    2015Action14.99 USDSingle-playerSimilar games →
  19. 19
    CHAOS;HEAD NOAH — Steam game cover

    CHAOS;HEAD NOAH

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    CHAOS;HEAD NOAH is now available on Steam!

    2022Adventure12.49 USDDeck VerifiedSingle-playerSimilar games →
  20. 20
    STEINS;GATE: My Darling's Embrace — Steam game cover

    STEINS;GATE: My Darling's Embrace

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    Fall in love with the lab members all over again in this sweet and slapstick romantic comedy!

    2019Adventure5.99 USDDeck PlayableSingle-playerSimilar games →
  21. 21
    STEINS;GATE ELITE — Steam game cover

    STEINS;GATE ELITE

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    STEINS;GATE ELITE follows a rag-tag band of tech-savvy young students who discover the means of changing the past via e-mail using a modified microwave.

    2019AdventureDeck PlayableSingle-playerSimilar games →
  22. 22
    STEINS;GATE: Linear Bounded Phenogram — Steam game cover

    STEINS;GATE: Linear Bounded Phenogram

    Single-player alternative to Operation Abyss: New Tokyo Legacy — playable solo, no multiplayer required.

    A story for every lab member. Discover a new side of each STEINS;GATE character and get a glimpse of their inner thoughts through 10 new stories.

    2019AdventureDeck PlayableSingle-playerSimilar games →