Games like Royale Smith
Games like Royale Smith include Garry's Mod, Medieval Dynasty, Raft, Schedule I, and Rust. We matched them by the tags players give Royale Smith on Steam (Shop Keeper, Building, Casual, Medieval, and Simulation): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Building · Multiplayer · Casual

Medieval Dynasty
Shared: Building · Medieval · Multiplayer

Raft
Shared: Multiplayer · Building · Crafting

Schedule I
Shared: Simulation · Multiplayer · Crafting

Rust
Shared: Building · Multiplayer · Crafting

Satisfactory
Shared: Building · Multiplayer · Crafting

Stardew Valley
Shared: Multiplayer · Simulation · Building

Scrap Mechanic
Shared: Building · Multiplayer · Crafting

Sons Of The Forest
Shared: Multiplayer · Building · Open World

ARK: Survival Evolved
Shared: Multiplayer · Building · Crafting

Bellwright
Shared: Medieval · Building · Crafting

House Flipper
Shared: Simulation · Building · Multiplayer

Once Human
Shared: Multiplayer · Building · Open World

Alchemy Factory
Shared: Building · Medieval · Casual

PowerWash Simulator
Shared: Casual · Simulation · Multiplayer

Project Zomboid
Shared: Multiplayer · Building · Open World

Supermarket Simulator
Shared: Simulation · Multiplayer · Building

Retro Rewind - Video Store Simulator
Shared: Shop Keeper · Simulation · Casual

ContractVille
Shared: Building · Simulation · Casual

Factorio
Shared: Crafting · Multiplayer · Building

Finnish Cottage Simulator
Shared: Simulation · Multiplayer · Casual

Saleblazers
Shared: Shop Keeper · Simulation · Crafting

Car Mechanic Simulator 2018
Shared: Building · Simulation · Multiplayer

Medieval Engineers
Shared: Building · Medieval · Multiplayer