Games like STACK & the Grumblepuff from Above
Games like STACK & the Grumblepuff from Above include Incredibox, Coloring Game, Passpartout: The Starving Artist, Is This Seat Taken?, and Slime Rancher 2. We matched them by the tags players give STACK & the Grumblepuff from Above on Steam (Casual, 2.5D, 2D, Cartoony, and Colorful): closest matches first, and among equally close ones the better-known games.

Incredibox
Shared: Casual · 2D · Cartoony

Coloring Game
Shared: Casual · Relaxing · 2D

Passpartout: The Starving Artist
Shared: Casual · Indie · Relaxing

Is This Seat Taken?
Shared: Casual · Relaxing · Colorful

Slime Rancher 2
Shared: Relaxing · Colorful · Casual

Bloons TD 6
Shared: Casual · Family Friendly · Cartoony

Strange Jigsaws
Shared: Casual · 2D · Colorful

Zup! S
Shared: Casual · 2D · Indie

A Dance of Fire and Ice
Shared: 2D · Indie · Colorful

A Little to the Left
Shared: Casual · Relaxing · 2D

Assemble with Care
Shared: Casual · Indie · Relaxing

Hook
Shared: Casual · Relaxing · 2D

Sticky Business
Shared: Casual · Relaxing · Indie

Draw & Guess
Shared: Casual · 2D · Relaxing

ABZU
Shared: Relaxing · Casual · Colorful

Cat Goes Fishing
Shared: 2D · Casual · Indie

Glass Masquerade 3: Honeylines
Shared: 2D · Casual · Colorful

Plants vs. Zombies GOTY Edition
Shared: Casual · 2D · Singleplayer

A Game About Feeding A Black Hole
Shared: Casual · 2D · Relaxing

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

Vampire Survivors
Shared: 2D · Casual · Indie

Hidden Folks
Shared: Casual · Indie · 2D

Geometry Dash
Shared: 2D · Colorful · Singleplayer

LEGO® Builder's Journey
Shared: Casual · Indie · Relaxing