Games like Little Sim World
Games like Little Sim World include Stardew Valley, Coral Island, The Sims™ 4, Fields of Mistria, and Paralives. We matched them by the tags players give Little Sim World on Steam (Life Sim, Dating Sim, Character Customization, Simulation, and RPG): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Life Sim · RPG · Simulation

Coral Island
Shared: Life Sim · Dating Sim · Simulation

The Sims™ 4
Shared: Life Sim · Character Customization · Simulation

Fields of Mistria
Shared: Dating Sim · Life Sim · RPG

Paralives
Shared: Life Sim · Character Customization · Simulation

Volcano Princess
Shared: Life Sim · Dating Sim · RPG

Sun Haven
Shared: Life Sim · Dating Sim · Character Customization

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

Disney Dreamlight Valley
Shared: Life Sim · Character Customization · Relaxing

Hello Kitty Island Adventure
Shared: Life Sim · Simulation · Open World

Chinese Parents
Shared: Life Sim · Simulation · RPG

inZOI
Shared: Life Sim · Character Customization · Simulation

STORY OF SEASONS: Friends of Mineral Town
Shared: Dating Sim · Simulation · RPG

My Time at Sandrock
Shared: Life Sim · Dating Sim · RPG

The Sims™ 3
Shared: Life Sim · Character Customization · Simulation

Infinity Nikki
Shared: Relaxing · RPG · Life Sim

Slime Rancher 2
Shared: Relaxing · Cute · Simulation

Magical Princess
Shared: Life Sim · RPG · Dating Sim

Little Witch in the Woods
Shared: Life Sim · Simulation · Cute

Potion Permit
Shared: Life Sim · Dating Sim · Simulation

TOGETHER BnB
Shared: Dating Sim · Life Sim · Simulation

Potion Craft: Alchemist Simulator
Shared: Simulation · Relaxing · 2D

鬼谷八荒 Tale of Immortal
Shared: Simulation · Dating Sim · RPG

Tales of Seikyu
Shared: Life Sim · Dating Sim · RPG