Games like Knightmare
Games like Knightmare include LIMBO, FEZ, Celeste, Out There Somewhere, and SANABI. We matched them by the tags players give Knightmare on Steam (Puzzle, Platformer, Adventure, Strategy, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle · Platformer · Indie

FEZ
Shared: Puzzle · Platformer · Pixel Graphics

Celeste
Shared: Platformer · Pixel Graphics · 2D Platformer

Out There Somewhere
Shared: Platformer · Puzzle · Adventure

SANABI
Shared: Pixel Graphics · Adventure · 2D Platformer

Portal 2
Shared: Puzzle · Platformer · Singleplayer

Braid
Shared: Puzzle · Platformer · 2D Platformer

Moonleap
Shared: Puzzle · Platformer · Strategy

ANIMAL WELL
Shared: Puzzle · Platformer · Pixel Graphics

Gunpoint
Shared: Puzzle · Indie · Pixel Graphics

ElecHead
Shared: Puzzle · Platformer · Pixel Graphics

BEEP
Shared: Platformer · Adventure · Puzzle

Squishy the Suicidal Pig
Shared: Puzzle · Platformer · Adventure

Webbed
Shared: 2D Platformer · Pixel Graphics · Platformer

Neva
Shared: Adventure · Platformer · Puzzle

The Escapists
Shared: Strategy · Pixel Graphics · Singleplayer

Mind Over Magnet
Shared: Puzzle · Adventure · Platformer

There Is No Game: Wrong Dimension
Shared: Puzzle · Adventure · Indie

Super Meat Boy
Shared: Platformer · 2D Platformer · Indie

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Little Nightmares
Shared: Adventure · Puzzle · Singleplayer

Öoo
Shared: Puzzle · 2D Platformer · Platformer

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

VVVVVV
Shared: Platformer · Pixel Graphics · 2D Platformer