Home / Games / Gratuitous Space Battles
Gratuitous Space Battles
The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleet
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“honestly one of the greatest games just for fun”
— a player, Steam review · 97 hrs played“Game was great. Wish there was a remaster or newer game that wasn't GSB2. GSB1 is peak”
— a player, Steam review · 28 hrs played“Non-functional, CD-Key refuses to register. Do not purchase. Used to be good years back, reinstalled and popped it open to play today, itsdeadjim.png”
— a player, Steam review · 16 hrs playedPrice tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Ridiculous Space Battles announced!
Just letting GSB players know that today we announced that we are officially working (in fact we have been doing it secretly for 18 months now) on a 'spiritual successor' to Gratuitous Space Battles c
Gratuitous Space Shooty Game is released!
Just letting GSB players know that today we released a vertical shooter using the same artwork. Its a fun little coffee break game, super-cheap, and runs on anything. Its called 'Gratuitous Space Shoo
Democracy 4 is now in Early Access!
https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/32939922/24aa6f4096dcee953b60b9b30cf46c9a60746b7e.png Yes its true! after all these years, Democracy has finally returned to s
Democracy 4 is just ONE WEEK away from Early Access
https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/32939922/24aa6f4096dcee953b60b9b30cf46c9a60746b7e.png Exciting times! Not only does today mark the first Presidential election
Democracy 4 is coming soon. Add to your wishlist :D
https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/32939922/24aa6f4096dcee953b60b9b30cf46c9a60746b7e.png Great news fellow citizens! The latest installment in the geeky-but-popu
Games like Gratuitous Space Battles
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
Creeper World 4
95.0% · 3,932 reviews
shares RTS, Tower Defense, Tactical, Building
AI War: Fleet Command
84.4% · 1,225 reviews
shares RTS, Tower Defense, Tactical, Space
Nexus - The Jupiter Incident
86.5% · 667 reviews
shares SpaceShips, Moddable, RTS, Tactical
Door Kickers
92.7% · 4,563 reviews
shares Moddable, RTS, Tactical, Difficult
Spaceflight Simulator
96.7% · 5,500 reviews
shares SpaceShips, Moddable, Building, Space
Reassembly
94.1% · 2,804 reviews
shares Building, Space, Sandbox, Physics
Cosmoteer: Starship Architect & Commander
94.7% · 8,011 reviews
shares SpaceShips, Building, Space, Difficult
Atom Zombie Smasher
90.0% · 1,768 reviews
shares Moddable, RTS, Tower Defense, Tactical
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Indie, Simulation, Strategy |
| Player tags | Strategy · Auto Battler · Space · Top-Down · Sci-fi · Spaceships · Sandbox · Indie · 2D · Building · Simulation · Singleplayer (SteamSpy community voting) |
| Features | Single-player · Steam Trading Cards · Family Sharing |
| Languages | English |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
| Official site | http://www.gratuitousspacebattles.com |
Minimum system requirements (PC)
OS *: Windows XP or Vista Processor: 1.5 GHz processor Memory: 1GB Graphics: 3D Card with 128MB video memory DirectX®: 9.0c Hard Drive: 300 MB Sound: Any