IMHO.

Single-player games like Lost Galaxy: Survivors

Below are 8 single-player Steam games similar to Lost Galaxy: Survivors, 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 Lost Galaxy: Survivors page.

Ranked picks

  1. 1
    Hardpoint — Steam game cover

    Hardpoint

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action with Lost Galaxy: Survivors.

    Take control of a platform with four auto-firing guns, and combine upgrades along a shared skill tree to create unique builds as you face increasingly numerous enemies. Attempt to survive 15 waves with your single life by specialize into classes with additional abilities and bonuses.

    2025ActionIndie2.99 USDSingle-playerSimilar games →
  2. 2
    Compadrone: Land Wars — Steam game cover

    Compadrone: Land Wars

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action and Casual with Lost Galaxy: Survivors.

    In this fast-paced roguelite arena shooter with tower-defense twists, control a drone capable of wielding multiple weapons and fight hordes of alien warbots. Collect resources and XP to unlock new weapons, towers, abilities, and drones.

    2025ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  3. 3
    Supre-Immune — Steam game cover

    Supre-Immune

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action and Strategy with Lost Galaxy: Survivors.

    Join a roguelike action where cute immune cells battle viruses. Collect data in fast-paced combat, gain weapons and abilities through evolution, or level up to grow stronger. The fun of building your own super immune cell with different combinations each run is up to you!

    2025ActionStrategyIndie6.99 USDSingle-playerSimilar games →
  4. 4
    TouHou Koishi's Enchanted Woods — Steam game cover

    TouHou Koishi's Enchanted Woods

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action with Lost Galaxy: Survivors.

    「TouHou Koishi's Enchanted Woods」 is a Touhou fangame.This is a "reverse-construction" action rogue-lite.Koishi vs. Kokoro! But as the playable character, Koishi uses various enhancement cards to continuously strengthen Kokoro. Can she ultimately defeat the Kokoro she has built up herself?

    2026ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    Cosmic Flesh: Overdrive — Steam game cover

    Cosmic Flesh: Overdrive

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action with Lost Galaxy: Survivors.

    Defend the galaxy from endless cosmic horrors. Dash and blast with fast, burst-based piloting, unleash powerful overdrives, evolve your ship with each unique run, and push your skills to the limit.

    ActionIndieSingle-playerSimilar games →
  6. 6
    Roguevive — Steam game cover

    Roguevive

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action and Casual with Lost Galaxy: Survivors.

    Roguevive is an roguelite survive bullet heaven. Survive against hordes of enemies getting ever stronger. Level up, unlock upgrades and new guns in this multiplayer action roguelite.

    2025ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  7. 7
    Space Show edition 17 — Steam game cover

    Space Show edition 17

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action with Lost Galaxy: Survivors.

    Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!

    2026ActionIndieSingle-playerSimilar games →
  8. 8
    Vector Storm — Steam game cover

    Vector Storm

    Single-player alternative to Lost Galaxy: Survivors — playable solo, no multiplayer required. Shares Action with Lost Galaxy: Survivors.

    A relentless top-down arcade shooter with roguelite progression. Blast through escalating waves, battle massive bosses, and build your loadout with boss-dropped gear. Earn tokens to permanently upgrade your fleet and unlock new ships between runs.

    2026ActionAdventure4.24 USDSingle-playerSimilar games →