Single-player games like Interstellar Impact
Below are 8 single-player Steam games similar to Interstellar Impact, 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 Interstellar Impact page.
Ranked picks
- 1
Osmos
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Casual with Interstellar Impact.
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
- 2
Star Fisher
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Action and Adventure with Interstellar Impact.
Star Fisher is a top down action fishing game with procedurally generated levels and a simple story to keep you hooked. Dodge monsters and rocks, swing your net, and catch fish to keep your run going and feed your cat!
- 3
Space War: Infinity
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Action and Casual with Interstellar Impact.
Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.
- 4
Pachinko Life
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Strategy and Casual with Interstellar Impact.
a pachinko roguelike where every run is a life. every country, class, and choice changes how the board plays.
- 5
Inspiral: Echoes of Gravity
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Strategy and Casual with Interstellar Impact.
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
- 6
Space Balls
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Casual with Interstellar Impact.
Shoot yourself into space as high as you can in this arcade game with a retro soundtrack!
- 7
Orbit HD
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Adventure and Casual with Interstellar Impact.
Explore the cosmos as a comet, orbiting planets with a realistic gravity system and a backdrop of procedurally generated nebulae. Learn to use planetary gravity to your advantage, and relax in the ambience of space.
- 8
Tether
Single-player alternative to Interstellar Impact — playable solo, no multiplayer required. Shares Casual with Interstellar Impact.
Tether is an abstract arcade platformer about elastic connections and arcing flights. Swing and fly through 4 different game modes, in a peaceful, endless world.