Games like Build My World
Games like Build My World include The Sims™ 4, PC Building Simulator, Slime Rancher 2, PowerWash Simulator, and Stardew Valley. We matched them by the tags players give Build My World on Steam (Casual, Simulation, God Game, Life Sim, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

The Sims™ 4
Shared: Life Sim · Simulation · Building

PC Building Simulator
Shared: Simulation · Building · 3D

Slime Rancher 2
Shared: Cute · Simulation · Casual

PowerWash Simulator
Shared: Casual · Simulation · 3D

Stardew Valley
Shared: Life Sim · Simulation · Relaxing

The Sims™ 3
Shared: Simulation · Life Sim · Casual

Placid Plastic Duck Simulator
Shared: Casual · Cute · Simulation

Garry's Mod
Shared: Casual · Building · Simulation

House Flipper
Shared: Simulation · Casual · Building

Unpacking
Shared: Casual · Cute · Simulation

Supermarket Simulator
Shared: Simulation · Life Sim · First-Person

Paralives
Shared: Simulation · Life Sim · Building

Two Point Museum
Shared: Casual · Simulation · Life Sim

Minami Lane
Shared: Casual · Life Sim · Simulation

Starsand Island
Shared: Life Sim · Casual · Simulation

Streamer Life Simulator 2
Shared: Simulation · Life Sim · Casual

My Time at Portia
Shared: Life Sim · Simulation · Casual

Gas Station Simulator
Shared: Simulation · Casual · Building

Retro Rewind - Video Store Simulator
Shared: Simulation · Casual · Relaxing

WorldBox - God Simulator
Shared: Simulation · God Game · Life Sim

KOTAMON: My Sis Found A Super-Rare Card In Her Cereal Box, So I Became A Garbage Man To Find The Entire Collection And Earn $1,000,000
Shared: Casual · Simulation · 3D

Chinese Parents
Shared: Life Sim · Simulation · Casual

Mountain
Shared: Simulation · Casual · God Game

House Flipper 2
Shared: Casual · Simulation · Relaxing