Games like Mouse
Games like Mouse include Celeste, SANABI, Super Meat Boy, VVVVVV, and Out There Somewhere. We matched them by the tags players give Mouse on Steam (2D, Adventure, Pixel Graphics, Short, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Pixel Graphics · Platformer · 2D

SANABI
Shared: Pixel Graphics · Adventure · 2D

Super Meat Boy
Shared: Platformer · 2D · Pixel Graphics

VVVVVV
Shared: Pixel Graphics · Platformer · 2D

Out There Somewhere
Shared: Pixel Graphics · Platformer · Adventure

To the Moon
Shared: Pixel Graphics · Adventure · Indie

Dead Cells
Shared: Adventure · 2D · Pixel Graphics

Jump King
Shared: Pixel Graphics · Adventure · 2D

FEZ
Shared: Platformer · Pixel Graphics · Adventure

DLC Quest
Shared: Platformer · Short · 2D

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Platformer · 2D

Hollow Knight
Shared: Platformer · 2D · Adventure

Downwell
Shared: Pixel Graphics · Platformer · 2D

Reventure
Shared: Adventure · Pixel Graphics · 2D

DAVE THE DIVER
Shared: Pixel Graphics · Adventure · Casual

Terraria
Shared: 2D · Pixel Graphics · Adventure

LIMBO
Shared: 2D · Platformer · Adventure

A Bird Story
Shared: Pixel Graphics · Adventure · Short

Skul: The Hero Slayer
Shared: Pixel Graphics · 2D · Indie

Hollow Knight: Silksong
Shared: 2D · Indie · Platformer

Owlboy
Shared: Adventure · Pixel Graphics · 2D

Pizza Tower
Shared: Pixel Graphics · Platformer · Indie

Rain World
Shared: Pixel Graphics · 2D · Platformer

DISTRAINT: Deluxe Edition
Shared: 2D · Pixel Graphics · Adventure