Games like Treasure Adventure Game
Games like Treasure Adventure Game include Hollow Knight, Öoo, ANIMAL WELL, Dust: An Elysian Tail, and Hollow Knight: Silksong. We matched them by the tags players give Treasure Adventure Game on Steam (Metroidvania, 2D Platformer, Action, Puzzle Platformer, and Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · 2D

Öoo
Shared: Metroidvania · 2D Platformer · Puzzle Platformer

ANIMAL WELL
Shared: Metroidvania · Puzzle Platformer · Platformer

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

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

Owlboy
Shared: Metroidvania · Platformer · Adventure

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

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

Dead Cells
Shared: Metroidvania · Adventure · 2D

SANABI
Shared: Action · 2D Platformer · Adventure

Brawlhalla
Shared: 2D Platformer · Platformer · Free to Play

Rogue Legacy 2
Shared: Metroidvania · Action · Platformer

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

Phoenotopia: Awakening
Shared: Action · Metroidvania · Platformer

The Messenger
Shared: Metroidvania · Platformer · 2D

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

Leap Year
Shared: 2D Platformer · Metroidvania · Puzzle Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Celeste
Shared: 2D Platformer · Platformer · 2D

Nine Sols
Shared: Metroidvania · Action · Platformer

Blasphemous
Shared: Metroidvania · 2D · Action

Gato Roboto
Shared: Metroidvania · Action · 2D

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

Janosik
Shared: Action · 2D Platformer · Platformer