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.

    2026ActionIndieCasual4.00 USDSingle-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 with 星际探索 Star Exploration.

    Help defend Shanghai from an invasion of snowmen! Build and upgrade towers across a battlefield that changes every run, shape your strategy with powerful cards and between-wave rewards, and survive escalating waves and boss encounters in this roguelite tower defense.

    2026ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Pattern Survivors: Bullet Hell — Create Chaos — Steam game cover

    Pattern Survivors: Bullet Hell — Create Chaos

    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.

    “Pattern Survivors: Bullet Hell” — a dynamic roguelike where you design your own attack patterns and defend your tower against endless waves of enemies. Upgrade, modify, and adapt your strategy in real time — can you survive the chaos of patterns?

    2025ActionStrategyIndie0.74 USDSingle-playerSimilar games →
  5. 5
    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 USDDeck PlayableSingle-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
    pachinko streetscape — Steam game cover

    pachinko streetscape

    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.

    achinko Streetscape is a fast-paced, incremental roguelike where you customize the board! Place bumpers, launch diverse marbles, and buy relics to alter game mechanics. Master physics, aim carefully, and chain reactions to beat high scores. Every run offers new builds and fresh strategies!

    StrategyIndieCasualSingle-playerSimilar games →
  8. 8
    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.

    2026ActionStrategyIndieSingle-playerSimilar games →