Games like Lumo
Games like Lumo include LIMBO, Chained Together, Out There Somewhere, Shovel Knight: Treasure Trove, and Little Nightmares. We matched them by the tags players give Lumo on Steam (Indie, Adventure, Retro, Puzzle Platformer, and Isometric): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Indie · Puzzle Platformer · Adventure

Chained Together
Shared: Adventure · Platformer · Puzzle Platformer

Out There Somewhere
Shared: Indie · Adventure · Platformer

Shovel Knight: Treasure Trove
Shared: Retro · Indie · Platformer

Little Nightmares
Shared: Adventure · Puzzle Platformer · Indie

INSIDE
Shared: Puzzle Platformer · Indie · Adventure

Reventure
Shared: Indie · Adventure · Platformer

FEZ
Shared: Indie · Platformer · Adventure

SANABI
Shared: Adventure · Indie · Action-Adventure

GRIS
Shared: Indie · Adventure · Platformer

Owlboy
Shared: Adventure · Indie · Platformer

Creepy Tale
Shared: Adventure · Puzzle Platformer · Indie

Portal 2
Shared: Platformer · Puzzle Platformer · Adventure

Trine 2: Complete Story
Shared: Puzzle Platformer · Action-Adventure · Platformer

MO:Astray
Shared: Indie · Adventure · Puzzle Platformer

Celeste
Shared: Indie · Platformer · Adventure

The Messenger
Shared: Retro · Platformer · Indie

Little Nightmares II
Shared: Adventure · Puzzle Platformer · Indie

Neva
Shared: Adventure · Indie · Platformer

Seen
Shared: Indie · Adventure · Puzzle Platformer

Squishy the Suicidal Pig
Shared: Indie · Adventure · Puzzle Platformer

The Way
Shared: Adventure · Indie · Puzzle Platformer

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

Nihilumbra
Shared: Indie · Adventure · Puzzle Platformer