Single-player games like Starlight Explorers
Below are 9 single-player Steam games similar to Starlight Explorers, 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 Starlight Explorers page.
Ranked picks
- 1
Kerbal Space Program
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Simulation with Starlight Explorers.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 2
Universe Sandbox
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Simulation with Starlight Explorers.
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
- 3
FTL: Faster Than Light
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Simulation with Starlight Explorers.
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
- 4
ΔV: Rings of Saturn
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Simulation with Starlight Explorers.
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
- 5
SpaceEngine
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Simulation with Starlight Explorers.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 6
SPORE™
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Adventure and Simulation with Starlight Explorers.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
- 7
Rebel Galaxy
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Adventure with Starlight Explorers.
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
- 8
Space Mechanic Simulator
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Simulation with Starlight Explorers.
Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.
- 9
Heartspell: Horizon Academy
Single-player alternative to Starlight Explorers — playable solo, no multiplayer required. Shares Indie and Casual with Starlight Explorers.
Date wizards, match gems, and level up in this match-3 visual novel with a lot of heart and a little spice. Form deep relationships with faeries, sirens and werewolves, each with their own endearing personalities and challenges. Make choices that affect your relationships, and their destinies.