Games like Saturn Menace
Games like Saturn Menace include Kerbal Space Program, The Long Dark, No Man's Sky, Outer Wilds, and Kerbal Space Program 2. We matched them by the tags players give Saturn Menace on Steam (Simulation, Action-Adventure, Exploration, 3D, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Simulation · Space · Science

The Long Dark
Shared: Exploration · Atmospheric · Simulation

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

Outer Wilds
Shared: Exploration · Space · Atmospheric

Kerbal Space Program 2
Shared: Exploration · Simulation · Space

Zoochosis
Shared: 3D · Simulation · Atmospheric

Spaceflight Simulator
Shared: Simulation · Exploration · Space

Cairn
Shared: Exploration · Atmospheric · Action-Adventure

Empyrion - Galactic Survival
Shared: Simulation · Exploration · Space

A Plague Tale: Requiem
Shared: Action-Adventure · Exploration · Atmospheric

Internet Cafe Simulator 2
Shared: Simulation · Exploration · 3D

COCOON
Shared: Exploration · Atmospheric · 3D

Stellaris
Shared: Exploration · Simulation · Space

Universe Sandbox
Shared: Simulation · Space · Science

Starfield
Shared: Exploration · Space · Action-Adventure

X4: Foundations
Shared: Simulation · Exploration · Space

Goat Simulator 3
Shared: Exploration · Simulation · Action-Adventure

IXION
Shared: Space · Simulation · Exploration

Prison Escape Simulator: Dig Out
Shared: Simulation · 3D · Exploration

MOLE
Shared: Simulation · Atmospheric · Exploration

Ultimate Fishing Simulator
Shared: Simulation · 3D · Exploration

Hamster Hunter
Shared: Exploration · Action-Adventure · 3D

SPORE™
Shared: Simulation · Exploration · Space

Solar Expanse - Space Exploration Manager
Shared: Simulation · Space · 3D