Games like Leaks In Space
Games like Leaks In Space include Avorion, Kerbal Space Program 2, Kerbal Space Program, Space Engineers, and Spaceflight Simulator. We matched them by the tags players give Leaks In Space on Steam (Exploration, Flight, Sandbox, Building, and Mining): closest matches first, and among equally close ones the better-known games.

Avorion
Shared: Exploration · Sandbox · Building

Kerbal Space Program 2
Shared: Exploration · Sandbox · Building

Kerbal Space Program
Shared: Sandbox · Space · Building

Space Engineers
Shared: Sandbox · Building · Space

Spaceflight Simulator
Shared: Sandbox · Exploration · Space

Stormworks: Build and Rescue
Shared: Sandbox · Building · Flight

X4: Foundations
Shared: Exploration · Space · Sandbox

Aviassembly
Shared: Flight · Building · Sandbox

Empyrion - Galactic Survival
Shared: Exploration · Building · Space

SimplePlanes
Shared: Flight · Sandbox · Exploration

EVE Online
Shared: Exploration · Space · Space Sim

Garry's Mod
Shared: Sandbox · Building · Physics

Universe Sandbox
Shared: Sandbox · Space · Physics

Space Engineers 2
Shared: Sandbox · Building · Space

Besiege
Shared: Sandbox · Building · Physics

Elite Dangerous
Shared: Exploration · Space · Space Sim

Starminer
Shared: Sandbox · Exploration · Space

Terraria
Shared: Sandbox · Exploration · Building

Ostranauts
Shared: Flight · Sandbox · Exploration

Stellaris
Shared: Exploration · Space · Sandbox

SPORE™
Shared: Sandbox · Exploration · Space

SpaceEngine
Shared: Sandbox · Space · Flight

No Man's Sky
Shared: Exploration · Space · Sandbox

People Playground
Shared: Sandbox · Physics · Building