Games like Stellario
Games like Stellario include Avorion, EVE Online, Cairn, Aniimo, and Superflight. We matched them by the tags players give Stellario on Steam (Side Scroller, Exploration, Flight, Creature Collector, and Sports): closest matches first, and among equally close ones the better-known games.
Avorion
Shared: Exploration · Flight · Space Sim
EVE Online
Shared: Exploration · Space Sim · Adventure
Cairn
Shared: Exploration · Sports · Stylized
Aniimo
Shared: Creature Collector · Exploration · Adventure
Superflight
Shared: Flight · Sports · Exploration
Momodora: Reverie Under The Moonlight
Shared: Side Scroller · Exploration · 2D
Slime Rancher
Shared: Exploration · Cute · Adventure
Exo One
Shared: Exploration · Flight · Space Sim
Elite Dangerous
Shared: Exploration · Space Sim · Space
A Short Hike
Shared: Exploration · Cute · Adventure
Hollow Knight
Shared: Exploration · 2D · Indie
Coromon
Shared: Exploration · Creature Collector · 2D
Bugsnax
Shared: Creature Collector · Exploration · Cute
No Man's Sky
Shared: Exploration · Space · Adventure
Hollow Knight: Silksong
Shared: Exploration · 2D · Indie
Spaceflight Simulator
Shared: Exploration · Space Sim · 2D
Cosmoteer: Starship Architect & Commander
Shared: Exploration · 2D · Space Sim
Monster Boy and the Cursed Kingdom
Shared: Side Scroller · Exploration · 2D
Galaxy on Fire 2™ Full HD
Shared: Exploration · Space Sim · Arcade
Outer Wilds
Shared: Exploration · Space · Adventure
Carto
Shared: Exploration · Cute · Indie
X4: Foundations
Shared: Exploration · Space Sim · Flight
Monster Sanctuary
Shared: Creature Collector · Exploration · 2D
Cat Goes Fishing
Shared: Exploration · 2D · Cute