Games like The Last Spark
Games like The Last Spark include LIMBO, Little Nightmares, Portal 2, FEZ, and Little Nightmares II. We matched them by the tags players give The Last Spark on Steam (Singleplayer, Adventure, Puzzle Platformer, Casual, and Platformer): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle Platformer · Platformer · Adventure

Little Nightmares
Shared: Adventure · Singleplayer · Puzzle Platformer

Portal 2
Shared: Singleplayer · Platformer · Puzzle Platformer

FEZ
Shared: Platformer · Singleplayer · Adventure

Little Nightmares II
Shared: Adventure · Singleplayer · Puzzle

INSIDE
Shared: Puzzle Platformer · Singleplayer · Adventure

Chained Together
Shared: Adventure · Casual · Platformer

The Last Campfire
Shared: Adventure · Singleplayer · Puzzle

Seen
Shared: Singleplayer · Adventure · Indie

Planet of Lana
Shared: Puzzle Platformer · Singleplayer · Adventure

Pinstripe
Shared: Adventure · Casual · Puzzle Platformer

Nihilumbra
Shared: Adventure · Platformer · Casual

CATO: Buttered Cat
Shared: Puzzle Platformer · Adventure · Singleplayer

COCOON
Shared: Adventure · Puzzle Platformer · Puzzle

Stray
Shared: Adventure · Singleplayer · Puzzle

Brothers - A Tale of Two Sons
Shared: Adventure · Controller · Singleplayer

Monument Valley
Shared: Adventure · Singleplayer · Casual

Pikuniku
Shared: Adventure · Casual · Puzzle

Toki Tori
Shared: Casual · Singleplayer · Platformer

Donut County
Shared: Casual · Adventure · Singleplayer

Moncage
Shared: Singleplayer · Casual · Adventure

Defy Gravity Extended
Shared: Puzzle Platformer · Platformer · Singleplayer

Contrast
Shared: Adventure · Singleplayer · Platformer

GRIS
Shared: Adventure · Singleplayer · Platformer