Single-player games like Galaxy Kingdoms
Below are 10 single-player Steam games similar to Galaxy Kingdoms, 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 Galaxy Kingdoms page.
Ranked picks
- 1
CyberHeart
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
Pilot a powerful combat mech and fight your way through a world devastated by a rogue AI uprising in this story-driven single-player mech shooter.
- 2
Herodes
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Adventure with Galaxy Kingdoms.
Herodes is an exhilarating shoot 'em up game set in a future where cutting-edge technology meets the depths of the human body. Step into the role of a courageous agent tasked with the ultimate mission: saving humanity from a mysterious and deadly virus that defies all known cures.
- 3
Touhou Adventure
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
Girls are now praying ! Will you pray too ?
- 4
Airstrife: Assault of the Aviators
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
Use Aileron Rolling or Evading your enemies' attacks while having a realistic damage system. Use different planes with upgradable parts and numerous weapons you can mount to your planes to destroy your enemies. Fly solo or play with your friends and enjoy local coop. A modern re-invented classic.
- 5
The Last Librarian
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
Fight tons of robots, upgrade your abilities and explore an abandoned artificial planet with your jetpack in this non-linear shoot'em up adventure! Play as Gabriela Xanchez, a galactic government agent sent to investigate a dying world and find the last paper book in the galaxy.
- 6
EVERSPACE™ 2
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Adventure with Galaxy Kingdoms.
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
- 7
Toad On Fire
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
Smokey the toad is not your average amphibian. With a propane-fueled weed burner in hand, he charges into battle against a relentless force of hostile frogs in a race war that threatens to tear his world apart. It's up to him to emerge victorious and save his kind.
- 8
RUST MOON
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
RUST MOON is a cyberpunk pixel side-scrolling action game. Play as ALPHA-7, whose memory has been rewritten, and cut through blockades with firearms, blades, and cyberware abilities — from the neon city all the way to a lunar base. Someone wrote your past for you. What comes next is up to you.
- 9
New Horizon
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Action and Indie with Galaxy Kingdoms.
New Horizon is a survival with RPG game. Explore a vast world in search of resources, build, upgrade your equipment and fight monsters to survive.
- 10
Sunshine Farm
Single-player alternative to Galaxy Kingdoms — playable solo, no multiplayer required. Shares Indie and Adventure with Galaxy Kingdoms.
Sunshine Farm is a farming simulator with shop management. Grow your farm, explore a vast world, expand the fair, and run a successful store.