Games like Gearplexed
Games like Gearplexed include Bridge Constructor Portal, Poly Bridge, Poly Bridge 2, Crazy Machines 3, and Mini Metro. We matched them by the tags players give Gearplexed on Steam (Puzzle, Simulation, Building, Physics, and Automation): closest matches first, and among equally close ones the better-known games.

Bridge Constructor Portal
Shared: Puzzle · Simulation · Physics

Poly Bridge
Shared: Building · Simulation · Puzzle

Poly Bridge 2
Shared: Puzzle · Building · Simulation

Crazy Machines 3
Shared: Puzzle · Simulation · Physics

Mini Metro
Shared: Puzzle · Simulation · Strategy

Mini Motorways
Shared: Simulation · Puzzle · Strategy

shapez 2 - Factory
Shared: Building · Automation · Simulation

People Playground
Shared: Physics · Simulation · 2D

Garry's Mod
Shared: Physics · Building · Simulation

Zup! S
Shared: Puzzle · Physics · 2D

Opus Magnum
Shared: Puzzle · Simulation · Automation

My Suika – Kyo’s Fruit Merge
Shared: Simulation · Puzzle · Physics

Cities: Skylines
Shared: Simulation · Building · Strategy

Planet Coaster
Shared: Simulation · Building · Strategy

World of Goo
Shared: Puzzle · Physics · Building

Tiny Bridge: Ratventure
Shared: Puzzle · Strategy · Physics

Totally Accurate Battle Simulator
Shared: Simulation · Physics · Strategy

Peggle Deluxe
Shared: Puzzle · Physics · 2D

shapez
Shared: Automation · Strategy · Building

Papers, Please
Shared: Simulation · Puzzle · Indie

Besiege
Shared: Simulation · Physics · Building

MineMogul
Shared: Building · Automation · Physics

Kerbal Space Program
Shared: Simulation · Physics · Building

Game Dev Tycoon
Shared: Simulation · Strategy · 2D