Single-player games like Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)
Below are 16 single-player Steam games similar to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION), 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 (LIGHTSPEED EDITION) page.
Ranked picks
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Halcyon 6: Starbase Commander
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
- 2

Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
- 3

Heroes of Science and Fiction
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
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.
- 4

ENDLESS™ Space - Definitive Edition
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
- 5

Pathway
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Explore the strange unknown with Pathway, a strategy adventure set in the 1930s great wilderness. Unravel long-forgotten mysteries of the occult, raid ancient tombs and outwit your foes in turn-based squad combat!
- 6

Star Renegades
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Star Renegades is a dimension spanning rogue-lite strategy RPG. Outsmart uniquely generated adversaries, forge bonds between heroes and end the cycle!
- 7

Grim wanderings 2
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
This game combines a deep role-playing system inspired by classic board games and a full-fledged 4X strategy
- 8

The Last Spell
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
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.
- 9

Master of Orion 2
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
- 10

XCOM® 2
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.
- 11

Stellaris
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Simulation with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
- 12

Star Control I and II
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.
- 13

Star Control III
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Strategy and Indie with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
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?
- 14

The Bureau: XCOM Declassified
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required.
The year is 1962 and the Cold War has the nation gripped by fear. A top-secret government unit called The Bureau begins investigating a series of mysterious attacks by an enemy more powerful than communism.
- 15

FINAL FANTASY
Single-player alternative to Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares RPG with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
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 (LIGHTSPEED EDITION) — playable solo, no multiplayer required. Shares Indie and Simulation with Halcyon 6: Starbase Commander (LIGHTSPEED EDITION).
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.