IMHO.

Single-player games like 星际探索 Star Exploration

Below are 8 single-player Steam games similar to 星际探索 Star Exploration, 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 星际探索 Star Exploration page.

Ranked picks

  1. 1
    Zero Bugs Given — Steam game cover

    Zero Bugs Given

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy with 星际探索 Star Exploration.

    Zero Bugs Given is a tower defense / roguelike game designed with the ambition of making every run different from the others. Every wave, a pair of bonus and malus will force you to adapt in the best way you can. Build your defense and try survive as long as you can!

    2026StrategyIndie9.90 USDSingle-playerSimilar games →
  2. 2
    Area Survivors — Steam game cover

    Area Survivors

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Casual with 星际探索 Star Exploration.

    Area Survivors is a top-down survival action game where you fight off relentless hordes of enemies and struggle to stay alive. Defeat enemies to grow stronger, upgrade your weapons and skills, and take on increasingly powerful foes and massive waves of enemies.

    2026ActionIndieCasualSingle-playerSimilar games →
  3. 3
    城市塔防-City Tower Defence — Steam game cover

    城市塔防-City Tower Defence

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy and Casual with 星际探索 Star Exploration.

    Roguelite tower defense. Each run generates a different map identity, base position, frontline layout, and pressure lanes. Build and upgrade towers, shape your run with cards and between-wave rewards, manage resources and positioning, survive waves of escalating enemies and boss encounters.

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    DivinityVassals — Steam game cover

    DivinityVassals

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy and Adventure with 星际探索 Star Exploration.

    【Pet Catch】+【Evo/Mutation】+【Hatch Egg】+【World Shift】 Summon multiple pets to fight. Breed unique pets with random talents/traits/runes/skills via evo/mutation. Explore shifting world, challenge hidden BOSS, rampage Endless Tower. Tired? Return home to build and rest.

    2026ActionStrategyIndie9.59 USDSingle-playerSimilar games →
  5. 5
    Axom: Conquest — Steam game cover

    Axom: Conquest

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy with 星际探索 Star Exploration.

    Build and defend your fortress while expanding out in this hold-out tower defense roguelite. Battle across a procedural alien homeworld, fight back corrupted terrain, discover hundreds of structures and upgrades as physics-driven swarms threaten to wipe out humanity.

    2026StrategyIndie8.99 USDSingle-playerSimilar games →
  6. 6
    Space Bross — Steam game cover

    Space Bross

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy and Adventure with 星际探索 Star Exploration.

    Your chicken has been kidnapped, and that’s all it takes to send a retired astronaut into full galactic mayhem. Space Bross is a hand-drawn 2.5D tower defense & action roguelite where you’ll build bases, fend off alien hordes, and blast your way across planets to bring your feathery friend back.

    2026ActionStrategyIndie7.99 USDSingle-playerSimilar games →
  7. 7
    For The Witch — Steam game cover

    For The Witch

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy and Casual with 星际探索 Star Exploration.

    For The Witch is a cute fantasy top-down bullet heaven defense game. Protect a sleeping witch from mosquito swarms, develop both the guardian and the witch, combine mechanic-changing items, and awaken them into new effects to survive each night.

    ActionStrategyIndieSingle-playerSimilar games →
  8. 8
    Dyeversion — Steam game cover

    Dyeversion

    Single-player alternative to 星际探索 Star Exploration — playable solo, no multiplayer required. Shares Strategy and Casual with 星际探索 Star Exploration.

    Dyeversion is a color-routing tower defense. Drag liquid hoses from color sources to your towers, mix colors to forge powerful COMBO towers, and route your pipes around the enemy path. Battle dozens of levels, earn tokens, and unlock a deep skill tree.

    2026StrategyIndieCasualSingle-playerSimilar games →