Games like Moon Miner
Games like Moon Miner include A Hat in Time, Slime Rancher, Hollow Knight, A Game About Digging A Hole, and SPORE™. We matched them by the tags players give Moon Miner on Steam (Exploration, Collectathon, Mining, Space, and Underground): closest matches first, and among equally close ones the better-known games.

A Hat in Time
Shared: Collectathon · Cute · Exploration

Slime Rancher
Shared: Exploration · Cute · Simulation

Hollow Knight
Shared: Platformer · Exploration · 2D

A Game About Digging A Hole
Shared: Exploration · Mining · Simulation

SPORE™
Shared: Exploration · Simulation · Space

Outer Wilds
Shared: Exploration · Space · Adventure

EVE Online
Shared: Exploration · Space · Simulation

Kerbal Space Program
Shared: Space · Simulation · Exploration

Hollow Knight: Silksong
Shared: Exploration · Platformer · 2D

Webbed
Shared: Exploration · Cute · Platformer

DAVE THE DIVER
Shared: Exploration · Adventure · Simulation

Hello Kitty Island Adventure
Shared: Exploration · Simulation · Cute

Rain World
Shared: Exploration · Platformer · 2D

Chained Together
Shared: Platformer · Adventure · Simulation

Ad Fundum
Shared: Collectathon · Mining · Underground

Cat Goes Fishing
Shared: Exploration · 2D · Cute

Elite Dangerous
Shared: Exploration · Space · Simulation

Kerbal Space Program 2
Shared: Exploration · Space · Simulation

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

Yooka-Replaylee
Shared: Exploration · Collectathon · Platformer

Yooka-Laylee
Shared: Collectathon · Exploration · Platformer

Placid Plastic Duck Simulator
Shared: Collectathon · Cute · Simulation

Carto
Shared: Exploration · Cute · Indie

A Short Hike
Shared: Exploration · Cute · Adventure