Games like The Sentient
Games like The Sentient include Between the Stars, Game Dev Tycoon, 上帝之城 I:监狱帝国 [City of God I - Prison Empire], Kerbal Space Program, and FTL: Faster Than Light. We matched them by the tags players give The Sentient on Steam (Early Access, Indie, Strategy, Simulation, and RPG): closest matches first, and among equally close ones the better-known games.

Between the Stars
Shared: Indie · RPG · Space

Game Dev Tycoon
Shared: Indie · Simulation · Strategy

上帝之城 I:监狱帝国 [City of God I - Prison Empire]
Shared: Indie · Simulation · Strategy

Kerbal Space Program
Shared: Simulation · Space · Space Sim

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

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

Crusader Kings III
Shared: Strategy · Simulation · RPG

SAELIG
Shared: Early Access · Simulation · Strategy

Startup Company
Shared: Simulation · Strategy · Indie

Dyson Sphere Program
Shared: Space · Simulation · Strategy

Starpoint Gemini Warlords
Shared: Strategy · RPG · Space

Celestial Command
Shared: Indie · Simulation · Strategy

Astrox Imperium
Shared: Early Access · Indie · Simulation

Automation - The Car Company Tycoon Game
Shared: Simulation · Management · Early Access

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

Mini Motorways
Shared: Strategy · Simulation · Indie

Touhou Big Big Battle
Shared: Early Access · Indie · Strategy

911 Operator
Shared: Strategy · Simulation · Indie

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

Space Haven
Shared: Strategy · Space · Simulation

EarthX
Shared: Indie · Simulation · Strategy

The Long Journey Home
Shared: Strategy · Simulation · Indie

Space Pirates And Zombies 2
Shared: Strategy · Indie · Space

Amazing Cultivation Simulator
Shared: Simulation · Strategy · RPG