IMHO.

Single-player games like The Last Catalyst

Below are 10 single-player Steam games similar to The Last Catalyst, 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 The Last Catalyst page.

Ranked picks

  1. 1
    Deck Delve — Steam game cover

    Deck Delve

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

    Deck Delve is a twin-stick roguelike deckbuilder where your abilities are cards played in real-time. Make split-second combat decisions and master the flow of your deck to survive!

    2026ActionIndieEarly AccessSingle-playerSimilar games →
  2. 2
    Super Blood Hockey: Rogue Manager — Steam game cover

    Super Blood Hockey: Rogue Manager

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

    A sports game where you don't control the players, instead play as a shady coach and use your deck of dirty tricks to become season champion. A unique hybrid of roguelike deckbuilder, auto-battler, and high action arcade hockey.

    2027ActionSportsSingle-playerSimilar games →
  3. 3
    Rogue Drone Hunter — Steam game cover

    Rogue Drone Hunter

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

    Explore high-tech ruins with your drone partner in this action deckbuilder. It mixes fast combat with strategic card play. Collect lost tech to build a strong deck of skills. Plan and use card combos to uncover the secrets beyond the neon city of Elysia.

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Midnight Rogues — Steam game cover

    Midnight Rogues

    Single-player alternative to The Last Catalyst — playable solo, no multiplayer required. Shares Indie with The Last Catalyst.

    Midnight Rogues brings item placement and auto-battler combat to the roguelike deckbuilder formula. Choose one of three disgraced young superheroes, buy and rearrange items to build game-breaking combinations, and hunt down The City’s corrupted heroes.

    StrategyIndieSingle-playerSimilar games →
  5. 5
    Procession Engine — Steam game cover

    Procession Engine

    Single-player alternative to The Last Catalyst — playable solo, no multiplayer required. Shares Indie with The Last Catalyst.

    A real-time tug-of-war roguelike deck builder. Your buildings spawn your army. Your cards, blueprints, and imbues decide what that army becomes. Place buildings in your yard, work the belt, and push two lanes until one stronghold falls.

    2026StrategyIndieEarly AccessSingle-playerSimilar games →
  6. 6
    Cards of Action — Steam game cover

    Cards of Action

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

    Cards of Action is a roguelike deckbuilder with real-time, survivor-like combat! Craft a deck of hyper-synergistic cards to grow all-powerful, and make split-second decisions on how to play your cards so you can obliterate the hordes of evil stick figures coming your way.

    ActionStrategySingle-playerSimilar games →
  7. 7
    Riftweaver's Deck — Steam game cover

    Riftweaver's Deck

    Single-player alternative to The Last Catalyst — playable solo, no multiplayer required. Shares Indie with The Last Catalyst.

    Riftweaver's Deck is a roguelite deckbuilding autobattler. Recruit heroes, better your equipment and skills. Travel through the rift portals to encounter powerful foes and friends. Be Victorious on your quest, and Vanquish the Dark Riftweaver and his morphlings!

    2026StrategyIndieAdventureSingle-playerSimilar games →
  8. 8
    Become the Moon — Steam game cover

    Become the Moon

    Single-player alternative to The Last Catalyst — playable solo, no multiplayer required. Shares Indie with The Last Catalyst.

    Become the Moon is a challenging, deckbuilding auto battler. Choose from 10 unique characters, each with their own distinct playstyles. Assemble a team of powerful minions & cast cosmic spells where every run takes you one step closer to the moon.

    2025StrategyIndie10.19 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Onde — Steam game cover

    Onde

    Single-player alternative to The Last Catalyst — playable solo, no multiplayer required. Shares Indie with The Last Catalyst.

    Catch a wave in this smooth sound-surfing platformer: Let ethereal tunes carry you fluidly through serene abstract landscapes, tune into soothing sound spheres and revel in a meditative journey of life.

    2022IndieAdventureCasual13.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    A Thousand Cloys — Steam game cover

    A Thousand Cloys

    Single-player alternative to The Last Catalyst — playable solo, no multiplayer required. Shares Indie with The Last Catalyst.

    A chill, exploration-based incremental game about harvesting and cleansing an alien planet of its radiation with a swarm of high-tech toasters.

    IndieSimulationCasualSingle-playerSimilar games →