Games like KeyLess
Games like KeyLess include FEZ, LIMBO, Defy Gravity Extended, Zup! S, and Portal 2. We matched them by the tags players give KeyLess on Steam (Puzzle Platformer, Singleplayer, Casual, Logic, and Puzzle): closest matches first, and among equally close ones the better-known games.

FEZ
Shared: Puzzle · Singleplayer · Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Singleplayer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Singleplayer

Zup! S
Shared: Casual · Puzzle · Singleplayer

Portal 2
Shared: Singleplayer · Puzzle · Puzzle Platformer

Braid
Shared: Puzzle Platformer · Puzzle · Singleplayer

Baba Is You
Shared: Singleplayer · Puzzle · Logic

Hexcells
Shared: Casual · Puzzle · Singleplayer

ANIMAL WELL
Shared: Puzzle Platformer · Puzzle · Platformer

Murders on the Yangtze River
Shared: Puzzle · Puzzle Platformer · Mystery

Zup! X
Shared: Casual · Puzzle · Puzzle Platformer

Zup!
Shared: Casual · Puzzle · Puzzle Platformer

Hexcells Infinite
Shared: Casual · Puzzle · Logic

The Bridge
Shared: Puzzle Platformer · Singleplayer · Puzzle

Zup! 2
Shared: Casual · Puzzle · Puzzle Platformer

Zup! F
Shared: Casual · Puzzle · Puzzle Platformer

Firework
Shared: Puzzle · Singleplayer · Mystery

Hook
Shared: Casual · Puzzle · Singleplayer

The Pedestrian
Shared: Puzzle Platformer · Puzzle · Logic

Laughing to Die
Shared: Casual · Puzzle · Puzzle Platformer

I hate this game
Shared: Puzzle · Logic · Puzzle Platformer

Patrick's Parabox
Shared: Puzzle · Logic · Singleplayer

Zup! 4
Shared: Casual · Puzzle · Puzzle Platformer

Zup! 3
Shared: Casual · Puzzle · Puzzle Platformer