Games like Space Simulation Toolkit

Kerbal Space Program

Indie, Simulation

96% positive · 147k reviews · 2.7k peak

Space Engineers 2

Action, Indie, Simulation, Strategy

75% positive · 5.6k reviews · 704 peak

Universe Sandbox

Casual, Indie, Simulation, Early Access

96% positive · 32k reviews

Solar Expanse - Space Exploration Manager

Indie, Simulation, Strategy, Early Access

88% positive · 1.4k reviews · 99 peak

SpaceEngine

Casual, Indie, Simulation, Early Access

96% positive · 17k reviews · 226 peak

Oxygen Not Included

Indie, Simulation

97% positive · 144k reviews · 7.6k peak

eXoSpace Combat Engineer

Action, Adventure, Indie, Simulation

85% positive · 55 reviews · 168 peak

Spaceflight Simulator

Unknown

97% positive · 9.8k reviews

Cosmoteer: Starship Architect & Commander

Simulation, Strategy, Early Access

94% positive · 13k reviews · 406 peak

Galaxy Idle Clicker

Casual, Indie, Simulation, Free To Play

74% positive · 1.2k reviews · 820 peak

Starship EVO

Action, Adventure, Indie, Simulation

83% positive · 1.5k reviews

ArmorSim

Simulation, Early Access

65% positive · 136 reviews · 11 peak

The Last Starship

Unknown

75% positive · 1.7k reviews

Astronomics

Action, Indie, Simulation, Strategy

89% positive · 726 reviews

AI Learns To Drive

Indie, Racing, Simulation

95% positive · 220 reviews · 41 peak

Kerbal Space Program 2

Indie, Simulation, Early Access