Games like Planetarium 2 - Zen Odyssey
Games like Planetarium 2 - Zen Odyssey include Mountain, Game Dev Tycoon, Kerbal Space Program, Plague Inc: Evolved, and Solar 2. We matched them by the tags players give Planetarium 2 - Zen Odyssey on Steam (Indie, Casual, Simulation, and Space): closest matches first, and among equally close ones the better-known games.

Mountain
Shared: Indie · Simulation · Casual

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Kerbal Space Program
Shared: Simulation · Space · Indie

Plague Inc: Evolved
Shared: Simulation · Indie · Casual

Solar 2
Shared: Indie · Casual · Space

Mini Motorways
Shared: Casual · Simulation · Indie

Universe Sandbox
Shared: Simulation · Space · Indie

Passpartout: The Starving Artist
Shared: Casual · Indie · Simulation

Goat Simulator
Shared: Simulation · Casual · Indie

Papers, Please
Shared: Indie · Simulation · Casual

911 Operator
Shared: Simulation · Indie · Casual

Emily is Away Too
Shared: Indie · Simulation · Casual

Barn Finders
Shared: Casual · Indie · Simulation

Chinese Parents
Shared: Simulation · Casual · Indie

Click the Button
Shared: Indie · Casual · Simulation

Sticky Business
Shared: Casual · Simulation · Indie

Retrowave
Shared: Indie · Casual · Simulation

Golf With Your Friends
Shared: Casual · Indie · Simulation

Streamer Life Simulator
Shared: Simulation · Casual · Indie

Touhou Mystia's Izakaya
Shared: Casual · Simulation · Indie

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

Space Engineers
Shared: Space · Simulation · Indie

Astrox Imperium
Shared: Simulation · Indie · Space

SPORE™
Shared: Simulation · Casual · Space