Games like Gachi Bird
Games like Gachi Bird include Pizza Tower, Neva, Hollow Knight, SANABI, and Pumpkin Jack. We matched them by the tags players give Gachi Bird on Steam (Indie, Action, Adventure, Platformer, and Visual Novel): closest matches first, and among equally close ones the better-known games.

Pizza Tower
Shared: Indie · 2D Platformer · Platformer

Neva
Shared: Adventure · Indie · Platformer

Hollow Knight
Shared: Platformer · Indie · 2D

SANABI
Shared: Action · Adventure · Indie

Pumpkin Jack
Shared: Action · Adventure · Indie

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

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

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

GRIS
Shared: Indie · Adventure · Platformer

Celeste
Shared: Indie · Platformer · 2D Platformer

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

LIMBO
Shared: Indie · Platformer · Adventure

Thank Goodness You're Here!
Shared: Adventure · Indie · 2D Platformer

Sonic Superstars
Shared: Action · Platformer · Adventure

Deadlight
Shared: Action · Indie · Platformer

Rogue Legacy 2
Shared: Action · Indie · Platformer

Mark of the Ninja
Shared: Indie · Platformer · Action

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

Pikuniku
Shared: Indie · Adventure · Action

Rayman® Origins
Shared: Platformer · Adventure · Action

BEEP
Shared: Indie · Adventure · Platformer

Katana ZERO
Shared: Action · Platformer · Indie

Songs for a Hero - Definitive Edition
Shared: Adventure · Indie · 2D Platformer

Rain World
Shared: Indie · Platformer · Atmospheric