Games like Rover Simulator
Games like Rover Simulator include SnowRunner, Elite Dangerous, EVE Online, Euro Truck Simulator 2, and No Man's Sky. We matched them by the tags players give Rover Simulator on Steam (Adventure, Simulation, Space Sim, Exploration, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

SnowRunner
Shared: Simulation · Adventure · Exploration

Elite Dangerous
Shared: Space Sim · Exploration · Simulation

EVE Online
Shared: Space Sim · Adventure · Exploration

Euro Truck Simulator 2
Shared: Simulation · Driving · Exploration

No Man's Sky
Shared: Exploration · Adventure · First-Person

Forza Horizon 5
Shared: Simulation · Adventure · Driving

Kerbal Space Program
Shared: Simulation · Space Sim · Science

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

Slime Rancher
Shared: Adventure · Exploration · First-Person

The Long Dark
Shared: Exploration · Adventure · First-Person

PEAK
Shared: Adventure · Exploration · First-Person

Starfield
Shared: Exploration · First-Person · Adventure

American Truck Simulator
Shared: Simulation · Driving · Exploration

Fallout 4
Shared: Adventure · Exploration · First-Person

Outer Wilds
Shared: Exploration · Adventure · Atmospheric

The Long Drive
Shared: Adventure · Exploration · Driving

Kerbal Space Program 2
Shared: Exploration · Simulation · Space Sim

X4: Foundations
Shared: Simulation · Space Sim · Exploration

BeamNG.drive
Shared: Simulation · Driving · First-Person

Universe Sandbox
Shared: Simulation · Space Sim · Science

RV There Yet?
Shared: Adventure · Exploration · First-Person

Taxi Life: A City Driving Simulator
Shared: Simulation · Driving · Exploration

Firewatch
Shared: Adventure · Atmospheric · Exploration

Spaceflight Simulator
Shared: Space Sim · Simulation · Exploration