Games like Jack Axe
Games like Jack Axe include Celeste, Portal 2, SANABI, Super Meat Boy, and It Takes Two. We matched them by the tags players give Jack Axe on Steam (Platformer, Puzzle Platformer, Precision Platformer, Difficult, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Platformer

Portal 2
Shared: Platformer · Puzzle Platformer · Story Rich

SANABI
Shared: Pixel Graphics · Story Rich · Platformer

Super Meat Boy
Shared: Platformer · Precision Platformer · Difficult

It Takes Two
Shared: Co-op · Puzzle Platformer · Local Co-Op

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

Hollow Knight: Silksong
Shared: Difficult · Platformer · Female Protagonist

Iconoclasts
Shared: Pixel Graphics · Platformer · Female Protagonist

Jump King
Shared: Precision Platformer · Difficult · Platformer

Hollow Knight
Shared: Platformer · Difficult · Indie

Cuphead
Shared: Platformer · Difficult · Co-op

Human Fall Flat
Shared: Puzzle Platformer · Co-op · Open World

Rain World
Shared: Difficult · Platformer · Pixel Graphics

Broforce
Shared: Pixel Graphics · Platformer · Co-op

VVVVVV
Shared: Platformer · Precision Platformer · Pixel Graphics

Katana ZERO
Shared: Platformer · Pixel Graphics · Story Rich

Never Alone (Kisima Ingitchuna)
Shared: Platformer · Female Protagonist · Local Co-Op

Geometry Dash
Shared: Difficult · Precision Platformer · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Difficult

I wanna be the Creator
Shared: Platformer · Difficult · Precision Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · Indie

Rusted Moss
Shared: Platformer · Pixel Graphics · Precision Platformer

Trine 4: The Nightmare Prince
Shared: Puzzle Platformer · Action-Adventure · Local Co-Op

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Open World · Platformer

