Games like Robo Miner
Games like Robo Miner include Thank Goodness You're Here!, Hollow Knight, Pikuniku, Melvor Idle, and Webbed. We matched them by the tags players give Robo Miner on Steam (Casual, Indie, Mining, Adventure, and Platformer): closest matches first, and among equally close ones the better-known games.

Thank Goodness You're Here!
Shared: Adventure · Casual · Indie

Hollow Knight
Shared: Platformer · Indie · Adventure

Pikuniku
Shared: Indie · Casual · Adventure

Melvor Idle
Shared: Casual · Indie · Adventure

Webbed
Shared: 2D Platformer · Exploration · Platformer

FEZ
Shared: Indie · Platformer · Casual

Chained Together
Shared: Casual · Adventure · Platformer

Hollow Knight: Silksong
Shared: Indie · Platformer · Adventure

SteamWorld Dig
Shared: Mining · Platformer · Indie

SteamWorld Dig 2
Shared: Indie · Adventure · Mining

To The Core
Shared: Casual · Indie · Adventure

A Short Hike
Shared: Indie · Adventure · Exploration

Rain World
Shared: Indie · Exploration · Platformer

A Hat in Time
Shared: Indie · Adventure · Collectathon

Slime Rancher
Shared: Adventure · Exploration · Casual

Rogue Legacy 2
Shared: Indie · Arcade · Platformer

BEEP
Shared: Indie · Adventure · Platformer

Celeste
Shared: Indie · Platformer · 2D Platformer

Keep on Mining!
Shared: Casual · Mining · Indie

Pizza Tower
Shared: Indie · 2D Platformer · Platformer

Yooka-Laylee
Shared: Indie · Adventure · Platformer

Oozi: Earth Adventure
Shared: Indie · Casual · Platformer

Sonic Origins
Shared: Adventure · Casual · 2D Platformer

Florence
Shared: Casual · Indie · Adventure