Games like Diari
Games like Diari include SANABI, Hollow Knight, Ori and the Will of the Wisps, Dead Cells, and Planet of Lana. We matched them by the tags players give Diari on Steam (Adventure, Platformer, Pixel Graphics, Puzzle Platformer, and Action): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Pixel Graphics · Adventure · Action

Hollow Knight
Shared: Platformer · Souls-like · Adventure

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

Dead Cells
Shared: Adventure · Pixel Graphics · Platformer

Planet of Lana
Shared: Puzzle Platformer · Action · Platformer

Portal 2
Shared: Platformer · Puzzle Platformer · Singleplayer

Celeste
Shared: Pixel Graphics · Platformer · 2D Platformer

Owlboy
Shared: Adventure · Pixel Graphics · Platformer

Blasphemous
Shared: Pixel Graphics · Souls-like · Metroidvania

ANIMAL WELL
Shared: Pixel Graphics · Platformer · Puzzle Platformer

Hollow Knight: Silksong
Shared: Platformer · Souls-like · Adventure

Iconoclasts
Shared: Pixel Graphics · Adventure · Action

Phoenotopia: Awakening
Shared: Adventure · Platformer · Action

Skul: The Hero Slayer
Shared: Pixel Graphics · Action · Platformer

FEZ
Shared: Platformer · Pixel Graphics · Adventure

Out There Somewhere
Shared: Platformer · Pixel Graphics · Adventure

MO:Astray
Shared: Adventure · Pixel Graphics · Action

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

HAAK
Shared: Pixel Graphics · Puzzle Platformer · Platformer

Blasphemous 2
Shared: Adventure · Pixel Graphics · Souls-like

Webbed
Shared: Pixel Graphics · 2D Platformer · Puzzle Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · Adventure

Katana ZERO
Shared: Pixel Graphics · Platformer · Action

Sonic Origins
Shared: Adventure · Action · Pixel Graphics