Games like Cat and Watermouse
Games like Cat and Watermouse include Celeste, Webbed, SANABI, Super Meat Boy, and Sonic Origins. We matched them by the tags players give Cat and Watermouse on Steam (Action, Adventure, Platformer, 2D Platformer, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

Webbed
Shared: 2D Platformer · Platformer · Cute

SANABI
Shared: Action · Adventure · 2D Platformer

Super Meat Boy
Shared: Platformer · Precision Platformer · 2D Platformer

Sonic Origins
Shared: Action · Adventure · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Cartoony

Katana ZERO
Shared: Action · Platformer · 2D Platformer

VVVVVV
Shared: Platformer · Precision Platformer · 2D Platformer

Downwell
Shared: Precision Platformer · Platformer · Action

Bread & Fred
Shared: 2D Platformer · Platformer · Cute

Rayman® Legends
Shared: Adventure · Platformer · Action

Grapple Dog
Shared: Action · Platformer · 2D Platformer

Smilemo
Shared: Action · Adventure · Platformer

Jump King
Shared: Precision Platformer · Adventure · Platformer

SONIC X SHADOW GENERATIONS
Shared: Action · Platformer · Adventure

Dead Cells
Shared: Adventure · 2D · Platformer

Rayman® Origins
Shared: Platformer · Adventure · Action

Sonic Mania
Shared: Platformer · 2D · Adventure

Gal Guardians: Demon Purge
Shared: Action · Adventure · 2D Platformer

Ori and the Will of the Wisps
Shared: Platformer · Action · Adventure

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · Action

Rusted Moss
Shared: Platformer · Action · Adventure

Lone Fungus
Shared: Adventure · Action · 2D Platformer

Broforce
Shared: Action · Platformer · 2D