Games like Flaskoman
Games like Flaskoman include Portal 2, LIMBO, Out There Somewhere, FEZ, and Mind Over Magnet. We matched them by the tags players give Flaskoman on Steam (Adventure, Platformer, Puzzle, 2D Platformer, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · Puzzle · Puzzle Platformer

LIMBO
Shared: Puzzle · Platformer · Puzzle Platformer

Out There Somewhere
Shared: Platformer · Adventure · Puzzle

FEZ
Shared: Platformer · Puzzle · Adventure

Mind Over Magnet
Shared: Adventure · Puzzle · Puzzle Platformer

ANIMAL WELL
Shared: Puzzle · Platformer · Puzzle Platformer

Celeste
Shared: Platformer · 2D Platformer · Pixel Graphics

Webbed
Shared: 2D Platformer · Platformer · Puzzle Platformer

Squishy the Suicidal Pig
Shared: Platformer · Puzzle · Adventure

Braid
Shared: Puzzle · Platformer · Puzzle Platformer

Öoo
Shared: Puzzle · Puzzle Platformer · 2D Platformer

Neva
Shared: Adventure · Platformer · Puzzle

Laughing to Die
Shared: Adventure · Puzzle · Platformer

SANABI
Shared: Adventure · 2D Platformer · Pixel Graphics

ElecHead
Shared: Platformer · Puzzle · Puzzle Platformer

Creepy Tale
Shared: Adventure · Puzzle · Puzzle Platformer

Planet of Lana
Shared: Puzzle Platformer · Puzzle · 2D Platformer

The Pedestrian
Shared: Puzzle · Platformer · Puzzle Platformer

Teslagrad
Shared: Platformer · Puzzle · Steampunk

Reventure
Shared: Adventure · Platformer · 2D

Moonleap
Shared: Puzzle · Platformer · Puzzle Platformer

Hue
Shared: Adventure · Puzzle · Platformer

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

Owlboy
Shared: Adventure · Platformer · Pixel Graphics