Games like Mechanical Lab
Games like Mechanical Lab include People Playground, The Forest, Kerbal Space Program, Aviassembly, and Spaceflight Simulator. We matched them by the tags players give Mechanical Lab on Steam (Simulation, Building, Physics, Crafting, and Exploration): closest matches first, and among equally close ones the better-known games.

People Playground
Shared: Physics · Simulation · 2D

The Forest
Shared: Crafting · Building · Exploration

Kerbal Space Program
Shared: Simulation · Physics · Building

Aviassembly
Shared: Building · Physics · Simulation

Spaceflight Simulator
Shared: Simulation · Exploration · 2D

Terraria
Shared: 2D · Building · Crafting

Poly Bridge
Shared: Building · Simulation · Physics

Garry's Mod
Shared: Physics · Building · Simulation

Space Engineers
Shared: Building · Simulation · Physics

The Long Dark
Shared: Exploration · Crafting · Simulation

Poly Bridge 2
Shared: Building · Physics · Simulation

Scrap Mechanic
Shared: Building · Physics · Crafting

Fireworks Mania - An Explosive Simulator
Shared: Building · Physics · Exploration

Kerbal Space Program 2
Shared: Building · Physics · Exploration

Forever Skies
Shared: Exploration · Singleplayer · Crafting

Graveyard Keeper
Shared: Simulation · Crafting · Building

Rain World
Shared: Exploration · Atmospheric · 2D

Dome Keeper
Shared: Singleplayer · Action · Post-apocalyptic

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

Empyrion - Galactic Survival
Shared: Simulation · Building · Exploration

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

Core Keeper
Shared: Exploration · Crafting · Building

Hollow Knight
Shared: 2D · Exploration · Singleplayer

Sons Of The Forest
Shared: Building · Crafting · Exploration