Games like Lost Puffin
Games like Lost Puffin include Thank Goodness You're Here!, LIMBO, Laughing to Die, Gorogoa, and BEEP. We matched them by the tags players give Lost Puffin on Steam (Casual, Platformer, Puzzle, 2D Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

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

LIMBO
Shared: Puzzle · Platformer · Indie

Laughing to Die
Shared: Casual · Puzzle · Platformer

Gorogoa
Shared: Puzzle · Casual · Indie

BEEP
Shared: Platformer · Indie · 2D

Pikuniku
Shared: Casual · Puzzle · Adventure

Zup! S
Shared: Casual · Puzzle · 2D

FEZ
Shared: Platformer · Puzzle · Indie

Hidden Folks
Shared: Casual · Puzzle · Indie

GRIS
Shared: Platformer · Indie · Adventure

There Is No Game: Wrong Dimension
Shared: Puzzle · Indie · Casual

Braid
Shared: Puzzle · 2D Platformer · Platformer

Hollow Knight
Shared: Platformer · 2D · Indie

Donut County
Shared: Casual · Puzzle · Indie

Zup! 2
Shared: Casual · Puzzle · 2D

Portal 2
Shared: Platformer · Puzzle · Singleplayer

Munin
Shared: Casual · Puzzle · Platformer

Zup!
Shared: Casual · Puzzle · 2D

Zup! X
Shared: Casual · Puzzle · 2D

Scribblenauts Unlimited
Shared: Casual · Puzzle · Adventure

Strange Jigsaws
Shared: Casual · Puzzle · Adventure

Zup! F
Shared: Casual · Puzzle · 2D

Nihilumbra
Shared: Platformer · Casual · Puzzle

Zup! 8
Shared: Casual · Puzzle · 2D