Games like The Light Empire
Games like The Light Empire include FTL: Faster Than Light, 鬼谷八荒 Tale of Immortal, Kerbal Space Program, Mountain, and The Scroll of Taiwu : Beyond The Dome. We matched them by the tags players give The Light Empire on Steam (Indie, Simulation, RPG, Space, and Singleplayer): closest matches first, and among equally close ones the better-known games.

FTL: Faster Than Light
Shared: Space · Indie · Roguelike

鬼谷八荒 Tale of Immortal
Shared: Simulation · Singleplayer · RPG

Kerbal Space Program
Shared: Simulation · Space · Indie

Mountain
Shared: Indie · Simulation · Singleplayer

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Simulation

Graveyard Keeper
Shared: RPG · Simulation · Indie

Cyber Manhunt
Shared: Simulation · RPG · Indie

The Long Journey Home
Shared: Simulation · Indie · RPG

Stardew Valley
Shared: RPG · Simulation · Indie

Starpoint Gemini 2
Shared: Simulation · Space · RPG

Hades
Shared: Indie · Roguelike · Singleplayer

Between the Stars
Shared: RPG · Space · Simulation

Papers, Please
Shared: Indie · Simulation · Singleplayer

Potion Craft: Alchemist Simulator
Shared: Simulation · Singleplayer · Indie

Sultan's Game
Shared: RPG · Singleplayer · Simulation

Endless Sky
Shared: Space · Simulation · Singleplayer

Rebel Galaxy
Shared: Space · RPG · Singleplayer

Home Behind
Shared: RPG · Indie · Simulation

Space Engineers
Shared: Space · Simulation · Singleplayer

Starfield
Shared: Space · RPG · Singleplayer

Chinese Parents
Shared: Simulation · Indie · RPG

The Binding of Isaac: Rebirth
Shared: Indie · Roguelike · Singleplayer

Starpoint Gemini Warlords
Shared: RPG · Space · Simulation

Mount & Blade II: Bannerlord
Shared: RPG · Singleplayer · Simulation