Games like 4D Games
Games like 4D Games include Dorfromantik, Kerbal Space Program, LYNE, Thrive, and while True: learn(). We matched them by the tags players give 4D Games on Steam (Hidden Object, Logic, Sandbox, Psychedelic, and 6DOF): closest matches first, and among equally close ones the better-known games.

Dorfromantik
Shared: Sandbox · Turn-Based Strategy · Casual

Kerbal Space Program
Shared: Sandbox · Education · Simulation

LYNE
Shared: Logic · Abstract · Procedural Generation

Thrive
Shared: Sandbox · Education · Procedural Generation

while True: learn()
Shared: Education · Sandbox · Logic

Lucid Blocks
Shared: Psychedelic · Sandbox · Surreal

Totally Accurate Battle Simulator
Shared: Sandbox · Simulation · Strategy

Hylics
Shared: Psychedelic · Surreal · Abstract

The Farmer Was Replaced
Shared: Logic · Education · Sandbox

SpaceEngine
Shared: Sandbox · Casual · Education

14 Minesweeper Variants
Shared: Logic · Abstract · Procedural Generation

House Flipper
Shared: Sandbox · Simulation · Education

PC Building Simulator
Shared: Sandbox · Education · Simulation

Patrick's Parabox
Shared: Logic · Abstract · Minimalist

The Artisan of Glimmith
Shared: Logic · Hidden Object · Level Editor

Universe Sandbox
Shared: Sandbox · Education · Simulation

Manifold Garden
Shared: Abstract · Surreal · Psychedelic

Universe Sandbox
Shared: Sandbox · Simulation · Education

Tandis
Shared: Logic · Psychedelic · Abstract

Garry's Mod
Shared: Sandbox · Casual · Simulation

RimWorld
Shared: Sandbox · Strategy · Simulation

shapez 2 - Factory
Shared: Sandbox · Logic · Strategy

Beltmatic
Shared: Sandbox · Casual · Education

Moncage
Shared: Surreal · Abstract · Casual