Games like Hello Kitty Island Adventure
Games like Hello Kitty Island Adventure include Slime Rancher, Slime Rancher 2, Infinity Nikki, Palia, and My Time at Portia. We matched them by the tags players give Hello Kitty Island Adventure on Steam (Cozy, Open World, Adventure, Cute, and Simulation): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Cute · Adventure · Open World

Slime Rancher 2
Shared: Cute · Open World · Adventure

Infinity Nikki
Shared: Open World · Cute · Casual

Palia
Shared: Cozy · Life Sim · Exploration

My Time at Portia
Shared: Open World · Life Sim · Simulation

Disney Dreamlight Valley
Shared: Adventure · Life Sim · Simulation

Luma Island
Shared: Cozy · Simulation · Casual

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

Stardew Valley
Shared: Life Sim · Simulation · Relaxing

A Short Hike
Shared: Adventure · Exploration · Cute

SPORE™
Shared: Open World · Simulation · Exploration

Echoes of the Plum Grove
Shared: Cozy · Open World · Simulation

Dressmaker
Shared: Cozy · Simulation · Life Sim

Teddy's Haven
Shared: Cozy · Simulation · Life Sim

Wobbly Life
Shared: Adventure · Open World · Simulation

Cozy Caravan
Shared: Cozy · Cute · Open World

Minami Lane
Shared: Cute · Life Sim · Cozy

Paralives
Shared: Life Sim · Simulation · Open World

TOEM: A Photo Adventure
Shared: Cozy · Adventure · Cute

Little Kitty, Big City
Shared: Cute · Cozy · Exploration

Loddlenaut
Shared: Open World · Cute · Cozy

DAVE THE DIVER
Shared: Adventure · Casual · Exploration

Euro Truck Simulator 2
Shared: Open World · Simulation · Exploration

Meadow - A Shelter Game
Shared: Open World · Cute · Adventure