Games like Knytt Classic
Games like Knytt Classic include Webbed, Rain World, Öoo, Celeste, and Hollow Knight. We matched them by the tags players give Knytt Classic on Steam (Exploration, 2D Platformer, Puzzle Platformer, Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Webbed
Shared: 2D Platformer · Exploration · Puzzle Platformer

Rain World
Shared: Exploration · Platformer · 2D

Öoo
Shared: Puzzle Platformer · 2D Platformer · Exploration

Celeste
Shared: 2D Platformer · Platformer · 2D

Hollow Knight
Shared: Platformer · Exploration · 2D

ANIMAL WELL
Shared: Exploration · Puzzle Platformer · Platformer

Slime Rancher
Shared: Exploration · Cute · Adventure

FEZ
Shared: Platformer · Exploration · Puzzle Platformer

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

Haiku, the Robot
Shared: Exploration · Adventure · Platformer

Terraria
Shared: 2D · Exploration · Adventure

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

LIMBO
Shared: Puzzle Platformer · Platformer · 2D

A Short Hike
Shared: Exploration · Adventure · Cute

Owlboy
Shared: Platformer · Adventure · 2D

Thank Goodness You're Here!
Shared: Exploration · Adventure · 2D Platformer

VVVVVV
Shared: Platformer · 2D Platformer · Exploration

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

Neva
Shared: Platformer · Adventure · 2D Platformer

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

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

Yoku's Island Express
Shared: Platformer · Adventure · Puzzle Platformer

The Darkest Tales — Into the Nightmare
Shared: Platformer · 2D Platformer · Adventure

MO:Astray
Shared: Puzzle Platformer · Adventure · Platformer