Games like Project 47
Games like Project 47 include Celeste, Super Meat Boy, SANABI, VVVVVV, and Jump King. We matched them by the tags players give Project 47 on Steam (Precision Platformer, Pixel Graphics, Indie, Singleplayer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Pixel Graphics · Indie

Super Meat Boy
Shared: Precision Platformer · Indie · Pixel Graphics

SANABI
Shared: Pixel Graphics · 2D Platformer · Singleplayer

VVVVVV
Shared: Precision Platformer · Pixel Graphics · Indie

Jump King
Shared: Precision Platformer · Indie · Pixel Graphics

Downwell
Shared: Precision Platformer · Pixel Graphics · Indie

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Indie · Platformer

Pizza Tower
Shared: Indie · 2D Platformer · Pixel Graphics

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

Geometry Dash
Shared: Precision Platformer · 2D · Singleplayer

Gravity Circuit
Shared: Indie · Pixel Graphics · Platformer

The End Is Nigh
Shared: Precision Platformer · Indie · Platformer

FEZ
Shared: Indie · Pixel Graphics · Platformer

Rogue Legacy
Shared: Indie · Platformer · Singleplayer

Owlboy
Shared: Pixel Graphics · Indie · Adventure

Katana ZERO
Shared: Pixel Graphics · Indie · 2D Platformer

Vampire Survivors
Shared: Pixel Graphics · Indie · 2D

Hollow Knight
Shared: Platformer · Indie · 2D

Thomas Was Alone
Shared: Precision Platformer · Platformer · 2D Platformer

Reventure
Shared: Pixel Graphics · Indie · Adventure

Rain World
Shared: Indie · Pixel Graphics · Platformer

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

Mutant Mudds Deluxe
Shared: Indie · Pixel Graphics · Precision Platformer

Momodora: Reverie Under The Moonlight
Shared: Pixel Graphics · 2D Platformer · 2D