Games like Pichon
Games like Pichon include Celeste, Thomas Was Alone, Super Meat Boy, Webbed, and Downwell. We matched them by the tags players give Pichon on Steam (Precision Platformer, Side Scroller, Puzzle Platformer, 2D Platformer, and Casual): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

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

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

Webbed
Shared: 2D Platformer · Puzzle Platformer · Cute

Downwell
Shared: Precision Platformer · 2D Platformer · Platformer

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Souls-like

Bō: Path of the Teal Lotus
Shared: Precision Platformer · Side Scroller · 2D Platformer

pureya
Shared: Casual · Side Scroller · Arcade

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

Braid
Shared: Puzzle Platformer · 2D Platformer · Platformer

Broforce
Shared: Platformer · Side Scroller · 2D

!AnyWay!
Shared: Precision Platformer · Side Scroller · 2D Platformer

Twin Shot Deluxe
Shared: Casual · 2D Platformer · Arcade

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Platformer

PICO PARK
Shared: Puzzle Platformer · Casual · Platformer

SANABI
Shared: 2D Platformer · Action · 2D

BattleBlock Theater®
Shared: Platformer · Funny · 2D Platformer

Leap Year
Shared: Precision Platformer · Puzzle Platformer · 2D Platformer

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Will You Snail?
Shared: Precision Platformer · 2D Platformer · Puzzle Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · 2D

Öoo
Shared: Puzzle Platformer · 2D Platformer · Platformer