Games like LetDeco
Games like LetDeco include Slime Rancher, Carto, Terraria, A Short Hike, and Slime Rancher 2. We matched them by the tags players give LetDeco on Steam (Exploration, Sandbox, Action-Adventure, Female Protagonist, and 2D): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Exploration · Cute · Sandbox

Carto
Shared: Exploration · Cute · Female Protagonist

Terraria
Shared: Sandbox · 2D · Exploration

A Short Hike
Shared: Exploration · Relaxing · Cute

Slime Rancher 2
Shared: Cute · Relaxing · Colorful

GRIS
Shared: Female Protagonist · 2D · Atmospheric

Cat Goes Fishing
Shared: 2D · Cute · Exploration

A Hat in Time
Shared: Cute · Female Protagonist · Funny

Rise of the Tomb Raider™
Shared: Female Protagonist · Exploration · Action-Adventure

Raji: An Ancient Epic
Shared: Female Protagonist · Action-Adventure · Exploration

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

SPORE™
Shared: Sandbox · Exploration · Cute

Tomb Raider Game of the Year
Shared: Female Protagonist · Exploration · Action-Adventure

Alba: A Wildlife Adventure
Shared: Exploration · Female Protagonist · Casual

TOEM: A Photo Adventure
Shared: Exploration · Cute · Relaxing

Hollow Knight: Silksong
Shared: Exploration · 2D · Female Protagonist

Big Walk
Shared: Exploration · Sandbox · Funny

Starbound
Shared: Sandbox · Exploration · Adventure

Hoa
Shared: Action-Adventure · Exploration · Relaxing

Submerged
Shared: Exploration · Female Protagonist · Relaxing

Rabi-Ribi
Shared: Exploration · Female Protagonist · Action-Adventure

ABZU
Shared: Exploration · Relaxing · Casual

Muse Dash
Shared: Female Protagonist · Cute · 2D

Disney Dreamlight Valley
Shared: Exploration · Sandbox · Relaxing