Games like Joy the Pug
Games like Joy the Pug include Hollow Knight, Hollow Knight: Silksong, Nine Sols, Ori and the Will of the Wisps, and SANABI. We matched them by the tags players give Joy the Pug on Steam (Metroidvania, Colorful, Cartoon, 2D Platformer, and Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · Indie

Hollow Knight: Silksong
Shared: Metroidvania · Indie · Platformer

Nine Sols
Shared: Metroidvania · Platformer · Indie

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

SANABI
Shared: 2D Platformer · Cyberpunk · Indie

Rogue Legacy 2
Shared: Metroidvania · Platformer · Indie

Monster Boy and the Cursed Kingdom
Shared: Metroidvania · Indie · Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Platformer

Guacamelee! Super Turbo Championship Edition
Shared: Metroidvania · Platformer · Colorful

Gato Roboto
Shared: Metroidvania · Indie · Platformer

Dust: An Elysian Tail
Shared: Metroidvania · Platformer · Indie

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · 2D Platformer · Platformer

Sonic Superstars
Shared: 2D Platformer · Platformer · Colorful

Katana ZERO
Shared: Platformer · 2D Platformer · Cyberpunk

F.I.S.T.: Forged In Shadow Torch
Shared: Metroidvania · Platformer · 2D Platformer

The Darkest Tales — Into the Nightmare
Shared: Metroidvania · Platformer · 2D Platformer

Cuphead
Shared: Cartoon · Platformer · Indie

SHEEPO
Shared: Metroidvania · 2D Platformer · Platformer

Guacamelee! Gold Edition
Shared: Metroidvania · Platformer · Indie

Axiom Verge
Shared: Metroidvania · Indie · Platformer

SteamWorld Dig 2
Shared: Metroidvania · Indie · Platformer

The Messenger
Shared: Metroidvania · Platformer · Indie

MIO: Memories in Orbit
Shared: Metroidvania · Platformer · Indie

Öoo
Shared: Metroidvania · 2D Platformer · Platformer