Games like BitVoxel
Games like BitVoxel include PC Building Simulator, while True: learn(), Kerbal Space Program, My Summer Car, and Car Mechanic Simulator 2018. We matched them by the tags players give BitVoxel on Steam (Simulation, Programming, Education, Logic, and Building): closest matches first, and among equally close ones the better-known games.

PC Building Simulator
Shared: Simulation · Education · Building

while True: learn()
Shared: Programming · Simulation · Education

Kerbal Space Program
Shared: Simulation · Sandbox · Building

My Summer Car
Shared: Simulation · Open World · Building

Car Mechanic Simulator 2018
Shared: Simulation · Building · Education

House Flipper
Shared: Simulation · Building · Sandbox

Garry's Mod
Shared: Sandbox · Building · Simulation

Space Engineers
Shared: Simulation · Building · Sandbox

Brick Rigs
Shared: Sandbox · Building · Simulation

Stormworks: Build and Rescue
Shared: Building · Sandbox · Open World

Scrap Mechanic
Shared: Building · Sandbox · Open World

BeamNG.drive
Shared: Simulation · Sandbox · Open World

Car Mechanic Simulator 2021
Shared: Simulation · Sandbox · Education

Cities: Skylines II
Shared: Simulation · Building · Sandbox

Gas Station Simulator
Shared: Simulation · Building · Singleplayer

SHENZHEN I/O
Shared: Programming · Simulation · Logic

Starbase
Shared: Simulation · Building · Open World

Cities: Skylines
Shared: Simulation · Building · Sandbox

Automation - The Car Company Tycoon Game
Shared: Simulation · Building · Sandbox

Jurassic World Evolution
Shared: Simulation · Building · Sandbox

Paralives
Shared: Simulation · Building · Open World

Dyson Sphere Program
Shared: Simulation · Building · Open World

Jurassic World Evolution 2
Shared: Simulation · Building · Sandbox

Stonehearth
Shared: Building · Simulation · Sandbox