Games like Mechanic Miner
Games like Mechanic Miner include Terraria, Graveyard Keeper, Stardew Valley, Forager, and Rust. We matched them by the tags players give Mechanic Miner on Steam (Indie, Building, Crafting, Sandbox, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Sandbox · Pixel Graphics · Crafting

Graveyard Keeper
Shared: Crafting · Pixel Graphics · Indie

Stardew Valley
Shared: Pixel Graphics · Sandbox · Indie

Forager
Shared: Indie · Crafting · Pixel Graphics

Rust
Shared: Crafting · Building · Sandbox

The Escapists
Shared: Crafting · Pixel Graphics · Indie

People Playground
Shared: Sandbox · Building · Singleplayer

Scrap Mechanic
Shared: Building · Sandbox · Crafting

Necesse
Shared: Pixel Graphics · Sandbox · Crafting

The Forest
Shared: Crafting · Building · Sandbox

Medieval Dynasty
Shared: Building · Crafting · Sandbox

Starbound
Shared: Sandbox · Crafting · Pixel Graphics

Core Keeper
Shared: Pixel Graphics · Sandbox · Crafting

Kerbal Space Program
Shared: Sandbox · Building · Indie

TerraTech
Shared: Building · Sandbox · Crafting

ARK: Survival Ascended
Shared: Crafting · Building · Sandbox

Don't Starve
Shared: Crafting · Indie · Sandbox

Garry's Mod
Shared: Sandbox · Building · Singleplayer

Noita
Shared: Pixel Graphics · Indie · Sandbox

Portal Knights
Shared: Sandbox · Building · Crafting

Shovel Knight: Treasure Trove
Shared: Indie · Pixel Graphics · Retro

Potion Craft: Alchemist Simulator
Shared: Crafting · Indie · Singleplayer

鬼谷八荒 Tale of Immortal
Shared: Sandbox · Singleplayer · Indie

From the Depths
Shared: Building · Sandbox · Crafting