Single-player games like Mysterious Space
Below are 13 single-player Steam games similar to Mysterious Space, 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 Mysterious Space page.
Ranked picks
- 1
Rocket!
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Destroy enemy ships, blast away asteroids and unlock new weapons / ship abilities in this endless arcade roguelite. Earn resources through each of the 7 game modes to upgrade your weapons to outlast them all.
- 2
Woodpunk
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Woodpunk is an exhilarating roguelike bullet hell retro pixel art shooter in a medieval Woodpunk universe, where the primary energy resource is WOOD.
- 3
One Step From Eden
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Build a powerful deck, cast spells on the fly, battle evolving enemies, find game-changing artifacts, make friends or make enemies, just make it to Eden.
- 4
Bravery and Greed
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Bravery and Greed is a beat 'em up, roguelite, dungeon brawler for up to four players. Choose from four classic fantasy classes, engage in a deep robust combat system, and play a variety of co-operative and competitive game modes with friends via local, online or both. Get rich, or die trying!
- 5
Juicy Realm
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Juicy Realm is a roguelike game in which players must square off against bizarre fruits all across the world. The line between the animal and the plant world has become blurred, and the food chain has been completely disrupted.
- 6
Legend of Dungeon
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Legend of Dungeon is a randomly generated action RPG Beat'em'up with heavy Rogue-like elements, striking visuals, and dynamic music.
- 7
Lost Castle / 失落城堡
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Lost Castle is an action RPG beat'em up with roguelike elements and randomized dungeons for up to four players online and local!
- 8
Streets of Rogue
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane.
- 9
AsteroidsHD
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
Engage in space-warfare with your friends and foes! Dodge and destroy asteroids while trying to stay alive in multiplayer! Replay value is endless with massive combinations of in-game ship upgrades, modifications, and customization. Destroy Asteroids and Aliens to gain the edge!
- 10
DEFENDER 3D
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
The 80s classic side-scroller meets the modern PC Gamer.. DEFENDER 3D lets you choose a spaceship to suit your play style and blast your way through ever increasing waves of alien invaders and bosses. A quick and easy learning curve with seriously addictive gameplay.
- 11
AQUA KITTY UDX
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
AQUA KITTY UDX blasts onto PC in this enhanced Ultra Deluxe Edition including the epic Dreadnought game mode!
- 12
Word x Word
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Indie with Mysterious Space.
A battle of wits against a friend, or the computer! Reveal words to discover their common theme; gain enough points, and you'll secure a place on the hall of fame!
- 13
Astromino
Single-player alternative to Mysterious Space — playable solo, no multiplayer required. Shares Action and Indie with Mysterious Space.
A roguelite battle against cosmic evils - drop customized polyominoes, collect relics, and execute powerful combos to defeat your enemies!