Single-player games like Gratuitous Space Battles
Below are 16 single-player Steam games similar to Gratuitous Space Battles, 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 Gratuitous Space Battles page.
Ranked picks
- 1
Asteroid Colony
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
- 2
Space Menace
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Space Menace is a sci-fi space RTS and battle game. You play as a space captain, seeking fortune and glory as you see fit. Leave your mark on the world and determine the fate of the galaxy with your decisions.
- 3
Rank: Warmaster
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
- 4
Space Cheese Defenders
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
A tower defense game with RTS elements about gathering cheese in space, where mobile carriers are able to deploy smaller spacecraft. Collect cheese to buy and upgrade spaceships and use each type to customize your playstyle and defend your base!
- 5
AstroForge: Space Pirates
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Build your unique spaceship and explore space. Travel between planets, fight different opponents, trade and develop. Build the most efficient ship and fight with other players in multiplayer. 17 languages available.
- 6
Space Menace 2
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Start small, expand your fleet, and rise to power as you navigate a galaxy full of opportunity and danger. This simple, non-traditional sci-fi RTS and space combat game offers strategic gameplay, evolving challenges, and satisfying ship customization through a variety of modules and upgrades.
- 7
Nexus - The Jupiter Incident
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
- 8
Microcosmum 2
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
- 9
Democracy 3
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Have you ever wanted to be president? or prime-minister? Convinced you could do a better job of running the country? Let's face it, you could hardly do a worse job than our current political leaders.
- 10
Democracy 4
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Democracy 4 lets you take the role of President / Prime minister, govern the country (choosing its policies, laws and other actions), and both transform the country as you see fit, while trying to retain enough popularity to get re-elected...
- 11
Production Line : Car factory simulation
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Production line is the new car factory management/simulation/tycoon game that pushes your organisational and entrepreneurship skills to the limit. Can you build the ultimate optimised, free-flowing car production line whilst beating the competition and still turn a profit?
- 12
Democracy 3 Africa
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Democracy 3: Africa is the new standalone 're-imagining' of the hit political strategy game 'Democracy 3'. Set entirely in countries on the continent of Africa, D3:A puts you in charge of these countries and challenges you to stay in power whilst fixing each country's problems, improving the quality of life for your electorate, and...
- 13
Gratuitous Space Battles 2
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Have you ever wanted to be admiral of a huge, sprawling space battle-fleet of your own design? Ever wanted to design a fleet of battle-cruisers so powerful they can rip all who oppose them into space-dust? Ever wanted to build a battleship with purple rotating radars and 64 engines? Well we have good news for you...
- 14
Gratuitous Tank Battles
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Set in an alternate history timeline where World War I never ends, you are the commander of allied forces fighting right up to the year 2114.
- 15
Democracy 2
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
On Tuesday, November 6th Americans will vote to shape the future of their country. Why wait? Start shaping your country's future now in Democracy 2.
- 16
Kudos 2
Single-player alternative to Gratuitous Space Battles — playable solo, no multiplayer required. Shares Strategy and Indie with Gratuitous Space Battles.
Kudos is a turn-based game that puts you in control of a single character and manages their life from age 20 to 30. You get to pick their friends, their job, and how they spend their free time, but there is a catch! You can only choose to do one thing each day, or two at the weekends.