IMHO.

Single-player games like Seven Suns of Orion

Below are 8 single-player Steam games similar to Seven Suns of Orion, 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 Seven Suns of Orion page.

Ranked picks

  1. 1
    Space Carrier Zero — Steam game cover

    Space Carrier Zero

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action with Seven Suns of Orion.

    One carrier against the sector's whole navy. The guns fire themselves, you steer the bow, pick the route, and decide how long to stay before the alarm brings the fleet down on you. Collect permanent cards that increase your strength each run. Five acts with increasing battle scope.

    2026Action4.24 USDSingle-playerSimilar games →
  2. 2
    Neon Armada - Solar Storm — Steam game cover

    Neon Armada - Solar Storm

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action with Seven Suns of Orion.

    A top-down arena roguelite you can learn in one wave and spend a hundred hours mastering. Waves close in from every edge; the shop between them decides what you become. 32 ships, 28 weapons, 115 mods to combine — then endless mode, where the caps come off.

    2026ActionSingle-playerSimilar games →
  3. 3
    Nano Squadron — Steam game cover

    Nano Squadron

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action and Indie with Seven Suns of Orion.

    Manage your shields, evolve your ship, defend Earth. Nano Squadron is a top-down space roguelite where every run brings new upgrades and every mistake leaves you exposed.

    2026ActionIndie4.79 USDSingle-playerSimilar games →
  4. 4
    Crush The Rebellion! — Steam game cover

    Crush The Rebellion!

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action and Indie with Seven Suns of Orion.

    The galactic empire is under siege from the rebel scum in all directions! Fight through endless waves of rebel ships using all of the weapons and resources at your disposal as you execute your sole orders: to Crush The Rebellion!

    2026ActionIndie4.49 USDSingle-playerSimilar games →
  5. 5
    Xalvorynthium — Steam game cover

    Xalvorynthium

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action and Indie with Seven Suns of Orion.

    **Xalvorynthium** is a neon arcade action roguelike shooter where you dodge enemy fire, evolve your weapons, battle bosses, and chase higher scores through escalating waves of sci-fi chaos.

    2026ActionStrategyIndie4.49 USDSingle-playerSimilar games →
  6. 6
    Vectorfall — Steam game cover

    Vectorfall

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action with Seven Suns of Orion.

    Vectorfall is a fast top-down space-shooter extraction roguelite built around risky sector runs. Swap between six ships mid-fight, raid hostile signals, break the Command Node, and extract your modules before Alert brings the patrols down on you.

    ActionEarly AccessSingle-playerSimilar games →
  7. 7
    Plasma Sky — Steam game cover

    Plasma Sky

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action and Indie with Seven Suns of Orion.

    This week, every pilot on Earth flies the same new seeded run: identical enemies, identical drops, pure skill. Flow through alien formations, arm your wingmen, and power up when you can. Out-score your friends in Plasma Sky, an arcade shmup with over 100 handcrafted levels. Blast into the neon sky!

    2027ActionIndieSingle-playerSimilar games →
  8. 8
    Planet Killer — Steam game cover

    Planet Killer

    Single-player alternative to Seven Suns of Orion — playable solo, no multiplayer required. Shares Action with Seven Suns of Orion.

    A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.

    2026Action10.39 USDSingle-playerSimilar games →