Games like Halcyon 6: Starbase Commander - Soundtrack
Games like Halcyon 6: Starbase Commander - Soundtrack include Mount & Blade II: Bannerlord, Cities: Skylines, Hearts of Iron IV, Game Dev Tycoon, and Sultan's Game. We matched them by the tags players give Halcyon 6: Starbase Commander - Soundtrack on Steam (Downloadable Content): closest matches first, and among equally close ones the better-known games.

Mount & Blade II: Bannerlord
Shared: Single-player · Strategy · Steam Achievements

Cities: Skylines
Shared: Single-player · Simulation · Steam Achievements

Hearts of Iron IV
Shared: Single-player · Strategy · Steam Achievements

Game Dev Tycoon
Shared: Single-player · Simulation · Steam Achievements

Sultan's Game
Shared: Single-player · Steam Achievements · RPG

Amazing Cultivation Simulator
Shared: Single-player · Simulation · Steam Achievements

Stellaris
Shared: Single-player · Strategy · Steam Achievements

Europa Universalis IV
Shared: Single-player · Strategy · Steam Achievements

This War of Mine
Shared: Single-player · Steam Achievements · Steam Trading Cards

House Flipper
Shared: Single-player · Simulation · Steam Achievements

XCOM 2
Shared: Single-player · Strategy · Steam Achievements

Stardew Valley
Shared: Single-player · Steam Achievements · Steam Trading Cards

鬼谷八荒 Tale of Immortal
Shared: Single-player · Steam Achievements · Simulation

Prison Architect
Shared: Single-player · Simulation · Steam Achievements

People Playground
Shared: Single-player · Steam Achievements · Steam Trading Cards

The Escapists
Shared: Single-player · Strategy · Steam Achievements

Mount & Blade: Warband
Shared: Single-player · RPG · Steam Achievements

Two Point Hospital
Shared: Single-player · Simulation · Steam Achievements

911 Operator
Shared: Single-player · Simulation · Strategy

Planet Coaster
Shared: Single-player · Simulation · Steam Achievements

觅长生
Shared: Single-player · RPG · Steam Achievements

Mini Metro
Shared: Single-player · Strategy · Steam Achievements

Kingdoms and Castles
Shared: Single-player · Steam Achievements · Steam Trading Cards

Papers, Please
Shared: Single-player · Indie · Simulation