Games like Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)
Games like Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) include The Last Spell, The Banner Saga, Age of Wonders 4, Total War: WARHAMMER, and ENDLESS Space™ - Definitive Edition. We matched them by the tags players give Halcyon 6: Starbase Commander (LIGHTSPEED EDITION) on Steam (4X, Tactical RPG, Turn-Based, Exploration, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

The Last Spell
Shared: Turn-Based Strategy · Turn-Based · RPG

The Banner Saga
Shared: Tactical RPG · Turn-Based · Turn-Based Strategy

Age of Wonders 4
Shared: 4X · Turn-Based Strategy · Strategy

Total War: WARHAMMER
Shared: 4X · RPG · Strategy

ENDLESS Space™ - Definitive Edition
Shared: 4X · Turn-Based · Turn-Based Strategy

ENDLESS Legend™
Shared: 4X · Turn-Based · Turn-Based Strategy

Battle Brothers
Shared: Turn-Based Strategy · RPG · Strategy

Fell Seal: Arbiter's Mark
Shared: Tactical RPG · RPG · Strategy

Stellaris
Shared: 4X · Exploration · Strategy

Sid Meier's Civilization® V
Shared: Turn-Based · Turn-Based Strategy · 4X

Halcyon 6: Starbase Commander
Shared: Strategy · Base Building · RPG

Sid Meier's Civilization®: Beyond Earth™
Shared: 4X · Turn-Based Strategy · Turn-Based

MENACE
Shared: Turn-Based Strategy · RPG · Strategy

Sid Meier’s Civilization® VI
Shared: Turn-Based Strategy · 4X · Turn-Based

TROUBLESHOOTER: Abandoned Children
Shared: Tactical RPG · Turn-Based · Turn-Based Strategy

ENDLESS Space™ 2
Shared: 4X · Turn-Based Strategy · Turn-Based

Warhammer 40,000: Rogue Trader
Shared: Turn-Based Strategy · RPG · Tactical RPG

Pathway
Shared: Exploration · Tactical RPG · Strategy RPG

Banner of the Maid
Shared: Turn-Based Strategy · Tactical RPG · Strategy

Wartales
Shared: Turn-Based Strategy · RPG · Tactical RPG

XCOM®: Chimera Squad
Shared: Turn-Based · Turn-Based Strategy · Strategy

Heroes of Might and Magic: Olden Era
Shared: Turn-Based Strategy · 4X · RPG

Renowned Explorers: International Society
Shared: Turn-Based · Turn-Based Strategy · Strategy

Xenonauts 2
Shared: Turn-Based Strategy · RPG · Strategy