IMHO.

Single-player games like S+ Universe

Below are 8 single-player Steam games similar to S+ Universe, 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 S+ Universe page.

Ranked picks

  1. 1
    MUPO — Steam game cover

    MUPO

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

    Grab your keyboard and jump into the rhythm in MUPO. This fast-paced rhythm game is driven by skill, creativity, and community. Build maps, climb leaderboards, and shape the game’s future. And there’s so much more to come, stay tuned. Be part of the MUPO journey!

    2026ActionIndieFree To PlayFreeSingle-playerSimilar games →
  2. 2
    Roguebreaker — Steam game cover

    Roguebreaker

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

    A roguelike twist on Breakout, just like you remember with a thick coat of 80s slathered on top. It's fast, it's juicy, it's vapourwave, it's small, it's Roguebreaker! How many bricks will you break in this arcade game?

    2018ActionIndieCasual0.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Arensia — Steam game cover

    Arensia

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

    A competitive falling-block puzzle game where emotions spread through blocks. Battle AI rivals worldwide, master emotional chain reactions, and climb from Rank 50 to Rank 1.

    2026ActionStrategyIndie5.39 USDSingle-playerSimilar games →
  4. 4
    MULLET MADJACK — Steam game cover

    MULLET MADJACK

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

    MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!

    2024ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Jumping Joe! - Friends Edition — Steam game cover

    Jumping Joe! - Friends Edition

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

    Jump right into the action in this jolly pick ‘n play platformer. An Indie action game perfect for intense playtimes with your friends and family. Help Joe and his fellas on their upwards journey. Be quick as a flash and dodge roaring cannonballs, vicious bats and other traps.

    2020ActionIndieCasual2.99 USDSingle-playerSimilar games →
  6. 6
    No Thoughts Just Dodge — Steam game cover

    No Thoughts Just Dodge

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

    Protect the last braincell in a neon score-attack survival comedy. Grab Thought Crumbs, dodge the doomscroll, dash through notifications, and choose increasingly questionable upgrades as the feed gets faster.

    ActionIndieCasualSingle-playerSimilar games →
  7. 7
    Jolt: Neon Breaker — Steam game cover

    Jolt: Neon Breaker

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

    Take direct control of the ball in this high-speed neon brick breaker. Upgrade your capacities, unleash devastating abilities, and smash through waves of bricks in this hypnotic arcade experience.

    2026ActionIndieCasualSingle-playerSimilar games →
  8. 8
    SKYBLITZ — Steam game cover

    SKYBLITZ

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

    Skyblitz is a helicopter action game inspired by classics like Rescue Raiders, Choplifter, and Nuclear Strike. Fly through 11 missions in a fractured future world alongside your radio team, Team TWISTED, while fighting PINK enemy forces and uncovering a conspiracy behind a new global conflict.

    2026ActionIndie14.99 USDSingle-playerSimilar games →