Games like Little Nemo The Clown
Games like Little Nemo The Clown include SANABI, Ori and the Will of the Wisps, Dust: An Elysian Tail, Blasphemous 2, and Skul: The Hero Slayer. We matched them by the tags players give Little Nemo The Clown on Steam (Action, Metroidvania, Adventure, 2D Platformer, and Platformer): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · Adventure

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

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

Blasphemous 2
Shared: Metroidvania · Adventure · 2D Platformer

Skul: The Hero Slayer
Shared: Action · Metroidvania · Platformer

Hollow Knight
Shared: Metroidvania · Platformer · Adventure

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

Owlboy
Shared: Adventure · Metroidvania · Platformer

Rogue Legacy 2
Shared: Metroidvania · Action · Platformer

Bloodstained: Ritual of the Night
Shared: Metroidvania · Action · Adventure

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

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

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

Dead Cells
Shared: Adventure · Metroidvania · Action

UnEpic
Shared: Metroidvania · Action · Platformer

Monster Boy and the Cursed Kingdom
Shared: Action · Adventure · Metroidvania

Well Dweller
Shared: Metroidvania · Action · Action-Adventure

Momodora: Moonlit Farewell
Shared: Metroidvania · Action-Adventure · Action

The Messenger
Shared: Metroidvania · Platformer · Action

9 Years of Shadows
Shared: Metroidvania · Platformer · Side Scroller

Rogue Legacy
Shared: Action · Platformer · Metroidvania

Trine 5: A Clockwork Conspiracy
Shared: Action · Adventure · Platformer

Axiom Verge 2
Shared: Action · Metroidvania · Adventure

Trine Enchanted Edition
Shared: 2D Platformer · Action-Adventure · Fantasy