Games like Pigeon's Mission
Games like Pigeon's Mission include SANABI, Ori and the Will of the Wisps, Sonic Superstars, Celeste, and Webbed. We matched them by the tags players give Pigeon's Mission on Steam (Action, Adventure, Action-Adventure, Platformer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Adventure · 2D Platformer

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

Sonic Superstars
Shared: Action · Adventure · Platformer

Celeste
Shared: Platformer · 2D Platformer · Pixel Graphics

Webbed
Shared: 2D Platformer · Cute · Platformer

Sonic Origins
Shared: Action · Adventure · 2D Platformer

Owlboy
Shared: Adventure · Platformer · Pixel Graphics

Trine 5: A Clockwork Conspiracy
Shared: Action · Adventure · Platformer

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

BlazBlue Entropy Effect
Shared: Action · Action-Adventure · 2D

Mina the Hollower
Shared: Action-Adventure · 2D Platformer · Platformer

Sonic Mania
Shared: Platformer · 2D · Adventure

Hollow Knight
Shared: Platformer · 2D · Adventure

Skul: The Hero Slayer
Shared: Action · 2D · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Rain World
Shared: Platformer · 2D · Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

F.I.S.T.: Forged In Shadow Torch
Shared: Action · Platformer · Adventure

Phoenotopia: Awakening
Shared: Action · Adventure · Platformer

MO:Astray
Shared: Action · Adventure · Platformer

Planet of Lana
Shared: Action · 2D Platformer · Adventure

Iconoclasts
Shared: Action · Adventure · Pixel Graphics

Black Myth: Wukong
Shared: Action · Action-Adventure · Adventure

Dead Cells
Shared: Adventure · 2D · Pixel Graphics