Games like Akatori
Games like Akatori include Hollow Knight, Hollow Knight: Silksong, Momodora: Reverie Under The Moonlight, Celeste, and Ori and the Will of the Wisps. We matched them by the tags players give Akatori on Steam (Exploration, Action, Adventure, 2D Platformer, and Difficult): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · Difficult · Exploration

Hollow Knight: Silksong
Shared: Difficult · Exploration · Metroidvania

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Exploration · Metroidvania

Celeste
Shared: Difficult · 2D Platformer · Platformer

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

SANABI
Shared: Action · 2D Platformer · Adventure

Afterimage
Shared: 2D Platformer · Exploration · Female Protagonist

Rain World
Shared: Exploration · Difficult · Platformer

Touhou Luna Nights
Shared: Exploration · Difficult · Platformer

Nine Sols
Shared: Difficult · Action · Platformer

Tomb Raider Game of the Year
Shared: Action · Adventure · Female Protagonist

Rise of the Tomb Raider™
Shared: Action · Adventure · Exploration

Rabi-Ribi
Shared: Exploration · Female Protagonist · Metroidvania

Prince of Persia The Lost Crown
Shared: Exploration · Action · 2D Platformer

Blasphemous 2
Shared: Difficult · Adventure · 2D Platformer

Bloodstained: Ritual of the Night
Shared: Action · Adventure · Female Protagonist

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

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

Cave Story+
Shared: Exploration · Difficult · Platformer

Gato Roboto
Shared: Action · Adventure · Metroidvania

Constance
Shared: Action · Platformer · Metroidvania

Castlevania: Belmont's Curse
Shared: Action · 2D Platformer · Female Protagonist

MIO: Memories in Orbit
Shared: Exploration · Platformer · Metroidvania

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