Single-player games like HAS Galactics
Below are 8 single-player Steam games similar to HAS Galactics, 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 HAS Galactics page.
Ranked picks
- 1
Space Company Simulator
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Simulation with HAS Galactics.
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
- 2
Surviving Mars
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Simulation with HAS Galactics.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 3
Stellar Settlers: Space Base Builder
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Indie with HAS Galactics.
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
- 4
Rionag: Survey Fleet
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Indie with HAS Galactics.
Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.
- 5
Dyson Sphere Program
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Indie with HAS Galactics.
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
- 6
Reshaping Mars
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Indie with HAS Galactics.
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
- 7
Final Upgrade
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Indie with HAS Galactics.
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
- 8
The Final Earth 2
Single-player alternative to HAS Galactics — playable solo, no multiplayer required. Shares Strategy and Indie with HAS Galactics.
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?