Games like Quarion
Games like Quarion include Hollow Knight, Hollow Knight: Silksong, Reventure, ANIMAL WELL, and Ori and the Will of the Wisps. We matched them by the tags players give Quarion on Steam (Metroidvania, Adventure, Exploration, Nonlinear, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · Exploration

Hollow Knight: Silksong
Shared: Metroidvania · Singleplayer · Exploration

Reventure
Shared: Adventure · Pixel Graphics · Singleplayer

ANIMAL WELL
Shared: Metroidvania · Exploration · Pixel Graphics

Ori and the Will of the Wisps
Shared: Metroidvania · Adventure · Singleplayer

Dead Cells
Shared: Adventure · Metroidvania · Pixel Graphics

Axiom Verge
Shared: Metroidvania · Pixel Graphics · Adventure

Gato Roboto
Shared: Metroidvania · Adventure · Pixel Graphics

The Messenger
Shared: Metroidvania · Retro · Pixel Graphics

Rain World
Shared: Exploration · Pixel Graphics · Adventure

Shovel Knight: Treasure Trove
Shared: Retro · Adventure · Pixel Graphics

Haiku, the Robot
Shared: Metroidvania · Adventure · Exploration

Rogue Legacy 2
Shared: Metroidvania · Adventure · Arcade

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

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

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

FEZ
Shared: Exploration · Adventure · Platformer

Blasphemous
Shared: Metroidvania · Pixel Graphics · 2D

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · Exploration · Pixel Graphics

SANABI
Shared: Adventure · Pixel Graphics · Singleplayer

Bloodstained: Curse of the Moon
Shared: Metroidvania · Retro · Pixel Graphics

VVVVVV
Shared: Pixel Graphics · Platformer · Retro

Environmental Station Alpha
Shared: Metroidvania · Adventure · Pixel Graphics

Sonic Mania
Shared: Retro · Adventure · Platformer