Single-player games like Halcyon 6: Starbase Commander
Below are 16 single-player Steam games similar to Halcyon 6: Starbase Commander, 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 Halcyon 6: Starbase Commander page.
Ranked picks
- 1
Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
A retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling. Halcyon 6: Lightspeed Edition is a massively enhanced version of the Award Winning indie strategy RPG, Halcyon 6.
- 2
Horizon
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
- 3
The Last Spell
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
Defend the last bastion of humanity with your squad of heroes! Exterminate fiendish monsters with magic and brute force by night and re-build your battered city defenses by day in this tactical RPG with rogue-lite mechanics.
- 4
Xenonauts
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
- 5
Star Renegades
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
Star Renegades is a dimension spanning rogue-lite strategy RPG. Outsmart uniquely generated adversaries, forge bonds between heroes and end the cycle!
- 6
Rogue Waters
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and RPG with Halcyon 6: Starbase Commander.
Rogue Waters is a Pirate Tactical Turn-Based Rogue-lite. Play as Captain Cutter, commanding your ship and crew through procedurally generated encounters to seek revenge. Recruit, train, and upgrade crew, use powerful sea creatures, and engage in dynamic naval and melee combat to gain the upper hand.
- 7
Heroes of Science and Fiction
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
- 8
Star Hammer: The Vanguard Prophecy
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Simulation with Halcyon 6: Starbase Commander.
Take command of Naval Strike Group 7 and lead your fleet to victory in full 3D tactical space combat. Star Hammer: The Vanguard Prophecy is a sci-fi strategy saga that will test your skills as both capital assault ship Captain and naval fleet Commander.
- 9
RimWorld
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 10
Master of Orion
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy with Halcyon 6: Starbase Commander.
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
- 11
Star Control I and II
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.
- 12
Star Control III
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
The universe is on the brink of destruction. It’s up to you to embark on an epic adventure of strategy and diplomacy to save thousands of worlds from total annihilation. But no pressure, right?
- 13
Punch Club
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander.
Train hard, fight crocodiles and find love. Earn your place in the Punch Club ranks, and discover who brutally murdered your father, in this choose your own adventure boxing management tycoon.
- 14
CHRONO TRIGGER®
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares RPG with Halcyon 6: Starbase Commander.
The timeless RPG classic returns loaded with upgrades! Journey to the forgotten past, to the far future, and to the end of time. A big adventure to save the planet, now begins…
- 15
FINAL FANTASY
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares RPG with Halcyon 6: Starbase Commander.
The original FINAL FANTASY comes to life with completely new graphics and audio! A remodeled 2D take on the first game in the world-renowned FINAL FANTASY series! Enjoy the timeless story told through charming retro graphics.
- 16
Fera: The Sundered Tribes
Single-player alternative to Halcyon 6: Starbase Commander — playable solo, no multiplayer required. Shares Indie and Simulation with Halcyon 6: Starbase Commander.
Fera: The Sundered Tribes is an enthralling mixture of monster hunting survival action RPG with village building and tribe management with groundbreaking aerial traversal and combat mechanics.