Games like Robo Miner 2
Games like Robo Miner 2 include Webbed, Sonic Origins, Thank Goodness You're Here!, Slime Rancher, and To The Core. We matched them by the tags players give Robo Miner 2 on Steam (Casual, Mining, Adventure, Arcade, and Platformer): closest matches first, and among equally close ones the better-known games.

Webbed
Shared: 2D Platformer · Platformer · Exploration

Sonic Origins
Shared: Adventure · 2D Platformer · Casual

Thank Goodness You're Here!
Shared: Adventure · Casual · 2D Platformer

Slime Rancher
Shared: Adventure · Exploration · Casual

To The Core
Shared: Casual · Arcade · Adventure

Laughing to Die
Shared: Casual · Adventure · Platformer

DAVE THE DIVER
Shared: Casual · Adventure · Exploration

SteamWorld Dig
Shared: Mining · Platformer · Adventure

Airscape - The Fall of Gravity
Shared: Casual · Platformer · Arcade

Promenade
Shared: Adventure · Platformer · Collectathon

Shelldiver
Shared: Casual · Arcade · 2D

Chained Together
Shared: Adventure · Casual · Platformer

Twin Shot Deluxe
Shared: Casual · Arcade · 2D Platformer

SteamWorld Dig 2
Shared: Adventure · Mining · Platformer

Oozi: Earth Adventure
Shared: Casual · Platformer · 2D Platformer

A Short Hike
Shared: Adventure · Casual · Exploration

Pikuniku
Shared: Casual · Adventure · Platformer

A Hat in Time
Shared: Adventure · Collectathon · Cute

Hollow Knight
Shared: Platformer · Adventure · 2D

Sonic Superstars
Shared: Casual · Adventure · Platformer

FEZ
Shared: Platformer · Casual · Adventure

Rogue Legacy 2
Shared: Arcade · Platformer · Adventure

Keep on Mining!
Shared: Casual · Mining · Arcade

Yooka-Laylee
Shared: Adventure · Collectathon · Platformer