Games like Only Down
Games like Only Down include LIMBO, Little Nightmares, Chained Together, GRIS, and BEEP. We matched them by the tags players give Only Down on Steam (Strategy, Adventure, Platformer, Puzzle Platformer, and Third Person): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle Platformer · Platformer · Adventure

Little Nightmares
Shared: Adventure · Atmospheric · Puzzle Platformer

Chained Together
Shared: Adventure · Platformer · Puzzle Platformer

GRIS
Shared: Adventure · Atmospheric · Platformer

BEEP
Shared: Adventure · Platformer · Indie

INSIDE
Shared: Puzzle Platformer · Atmospheric · Adventure

Portal 2
Shared: Platformer · Puzzle Platformer · Singleplayer

Nihilumbra
Shared: Adventure · Platformer · Indie

Hollow Knight
Shared: Platformer · Adventure · Indie

FAR: Lone Sails
Shared: Adventure · Atmospheric · Singleplayer

FEZ
Shared: Platformer · Adventure · Indie

Contrast
Shared: Adventure · Platformer · Indie

Planet of Lana
Shared: Puzzle Platformer · Atmospheric · Platformer

Pinstripe
Shared: Adventure · Indie · Puzzle Platformer

Seen
Shared: Adventure · Indie · Platformer

Stray
Shared: Adventure · Atmospheric · Singleplayer

Little Nightmares II
Shared: Adventure · Atmospheric · Singleplayer

A Story About My Uncle
Shared: Adventure · Platformer · Atmospheric

Getting Over It with Bennett Foddy
Shared: Physics · Platformer · Singleplayer

Trine Enchanted Edition
Shared: Puzzle Platformer · Physics · Strategy

Neva
Shared: Adventure · Platformer · Atmospheric

The Basement Collection
Shared: Adventure · Strategy · Platformer

Never Alone (Kisima Ingitchuna)
Shared: Platformer · Adventure · Indie

Tomb Raider Game of the Year
Shared: Adventure · Third Person · Singleplayer