Games like Heirloom
Games like Heirloom include Celeste, SANABI, Shovel Knight: Treasure Trove, Sonic Mania, and Webbed. We matched them by the tags players give Heirloom on Steam (Platformer, Pixel Graphics, 2D, Retro, and Side Scroller): closest matches first, and among equally close ones the better-known games.
Celeste
Shared: Pixel Graphics · Platformer · 2D Platformer
SANABI
Shared: Pixel Graphics · 2D Platformer · 2D
Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Retro
Sonic Mania
Shared: Platformer · 2D · Retro
Webbed
Shared: Pixel Graphics · 2D Platformer · Platformer
Hollow Knight
Shared: Platformer · 2D · Singleplayer
ANIMAL WELL
Shared: Pixel Graphics · Platformer · 2D
Rain World
Shared: Pixel Graphics · Platformer · 2D
Super Meat Boy
Shared: Platformer · Pixel Graphics · 2D
FEZ
Shared: Platformer · Pixel Graphics · Adventure
VVVVVV
Shared: Pixel Graphics · Platformer · 2D Platformer
The Messenger
Shared: Platformer · Retro · Pixel Graphics
Sonic Origins
Shared: Pixel Graphics · Platformer · Retro
Momodora: Reverie Under The Moonlight
Shared: Pixel Graphics · Side Scroller · 2D Platformer
Owlboy
Shared: Pixel Graphics · Platformer · 2D
Ori and the Will of the Wisps
Shared: Platformer · Singleplayer · Adventure
Katana ZERO
Shared: Pixel Graphics · Platformer · 2D Platformer
Haiku, the Robot
Shared: Pixel Graphics · Platformer · Adventure
LIMBO
Shared: Platformer · 2D · Puzzle Platformer
Bloodstained: Curse of the Moon
Shared: Pixel Graphics · Platformer · Retro
Thomas Was Alone
Shared: Platformer · Side Scroller · 2D Platformer
OneShot
Shared: Pixel Graphics · Singleplayer · 2D
Narita Boy
Shared: Platformer · Retro · 2D
Out There Somewhere
Shared: Platformer · Pixel Graphics · 2D