Games like Joshua's Legs
Games like Joshua's Legs include Hollow Knight, Rain World, ANIMAL WELL, Ori and the Will of the Wisps, and Hollow Knight: Silksong. We matched them by the tags players give Joshua's Legs on Steam (Metroidvania, Parkour, Exploration, Physics, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Exploration · Platformer

Rain World
Shared: Exploration · Atmospheric · Metroidvania

ANIMAL WELL
Shared: Metroidvania · Exploration · Atmospheric

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

Hollow Knight: Silksong
Shared: Metroidvania · Exploration · Indie

Haiku, the Robot
Shared: Metroidvania · Exploration · Atmospheric

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

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

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

Webbed
Shared: 2D Platformer · Physics · Exploration

Pseudoregalia
Shared: Metroidvania · Parkour · Exploration

PEAK
Shared: Physics · Exploration · Procedural Generation

Constance
Shared: Metroidvania · Platformer · Exploration

F.I.S.T.: Forged In Shadow Torch
Shared: Metroidvania · 2D Platformer · Exploration

Axiom Verge
Shared: Metroidvania · Platformer · Exploration

Öoo
Shared: Metroidvania · Exploration · 2D Platformer

Leap Year
Shared: Exploration · Metroidvania · 2D Platformer

Dead Cells
Shared: Metroidvania · Adventure · 2D

The Messenger
Shared: Metroidvania · Platformer · 2D Platformer

Owlboy
Shared: Metroidvania · Platformer · Atmospheric

SANABI
Shared: 2D Platformer · Pixel Graphics · Action

Crypt Custodian
Shared: Metroidvania · Exploration · Atmospheric

Pipistrello and the Cursed Yoyo
Shared: Exploration · Metroidvania · 2D Platformer

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