Games like Barry the Bunny
Games like Barry the Bunny include SANABI, Pizza Tower, Celeste, Shovel Knight: Treasure Trove, and Katana ZERO. We matched them by the tags players give Barry the Bunny on Steam (2D Platformer, Action, Platformer, Pixel Graphics, and 2D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Pixel Graphics · 2D Platformer

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

Celeste
Shared: Pixel Graphics · 2D Platformer · Platformer

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

Katana ZERO
Shared: Action · Pixel Graphics · Platformer

Broforce
Shared: Action · Pixel Graphics · 2D

Webbed
Shared: 2D Platformer · Pixel Graphics · Cute

The Messenger
Shared: Platformer · Pixel Graphics · 2D

Sonic Origins
Shared: 2D Platformer · Action · Pixel Graphics

Super Meat Boy
Shared: Platformer · 2D Platformer · Pixel Graphics

Sonic Mania
Shared: Platformer · 2D · Pixel Graphics

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

Grapple Dog
Shared: 2D Platformer · Action · Platformer

Owlboy
Shared: Pixel Graphics · Platformer · Adventure

Gato Roboto
Shared: Action · Pixel Graphics · 2D

VVVVVV
Shared: Pixel Graphics · Platformer · 2D Platformer

Dungeon Munchies
Shared: Action · Pixel Graphics · Adventure

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Platformer

Smilemo
Shared: Action · Platformer · 2D Platformer

Gravity Circuit
Shared: Action · Platformer · Pixel Graphics

SUPER CHICKEN JUMPER
Shared: 2D · Pixel Graphics · Cute

Downwell
Shared: Pixel Graphics · Platformer · 2D Platformer

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

Dead Cells
Shared: Adventure · Pixel Graphics · 2D