Games like CorePiercer
Games like CorePiercer include Slime Rancher, A Game About Digging A Hole, A Hat in Time, Melvor Idle, and Stray. We matched them by the tags players give CorePiercer on Steam (Trains, Mining, Collectathon, Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Adventure · Exploration · Singleplayer

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

A Hat in Time
Shared: Collectathon · Adventure · Cute

Melvor Idle
Shared: Adventure · Mining · Singleplayer

Stray
Shared: Adventure · Exploration · Singleplayer

DAVE THE DIVER
Shared: Adventure · Exploration · Singleplayer

Hollow Knight
Shared: Exploration · Singleplayer · 2D

Yooka-Laylee
Shared: Collectathon · Adventure · Exploration

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

SteamWorld Dig 2
Shared: Adventure · Mining · Exploration

鬼谷八荒 Tale of Immortal
Shared: Singleplayer · Adventure · Exploration

Meltopia
Shared: Mining · Exploration · Underground

Monster Boy and the Cursed Kingdom
Shared: Adventure · Singleplayer · Exploration

Slime Rancher 2
Shared: Singleplayer · Adventure · Cute

Pumpkin Jack
Shared: Adventure · Collectathon · Singleplayer

A Short Hike
Shared: Exploration · Adventure · Cute

Ori and the Will of the Wisps
Shared: Adventure · Singleplayer · Exploration

Carto
Shared: Exploration · Adventure · Cute

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

Rise of the Tomb Raider™
Shared: Adventure · Singleplayer · Exploration

Mining Mechs
Shared: Mining · Adventure · Singleplayer

Gold Mining Simulator
Shared: Mining · Singleplayer · Simulation

Labyrinth City: Pierre the Maze Detective
Shared: Adventure · Cartoon · Exploration

Crimson Desert Enhanced
Shared: Adventure · Exploration · Singleplayer