Games like Without my arms
Games like Without my arms include Celeste, SANABI, Super Meat Boy, Pizza Tower, and Webbed. We matched them by the tags players give Without my arms on Steam (Precision Platformer, Physics, Multiple Endings, Action, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Pixel Graphics · 2D Platformer

SANABI
Shared: Pixel Graphics · Action · Adventure

Super Meat Boy
Shared: Precision Platformer · Pixel Graphics · Platformer

Pizza Tower
Shared: 2D Platformer · Pixel Graphics · Action

Webbed
Shared: Physics · Pixel Graphics · 2D Platformer

Downwell
Shared: Precision Platformer · Pixel Graphics · Action

VVVVVV
Shared: Precision Platformer · Pixel Graphics · 2D Platformer

Reventure
Shared: Multiple Endings · Adventure · Pixel Graphics

Jump King
Shared: Precision Platformer · Pixel Graphics · Adventure

Sonic Origins
Shared: Action · Adventure · 2D Platformer

Noita
Shared: Physics · Pixel Graphics · Action

Broforce
Shared: Action · Pixel Graphics · 2D

Katana ZERO
Shared: Action · Pixel Graphics · 2D Platformer

Rusted Moss
Shared: Pixel Graphics · Action · Precision Platformer

A Difficult Game About Climbing
Shared: Precision Platformer · Adventure · Action

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

The End Is Nigh
Shared: Precision Platformer · Platformer · Adventure

Sonic Mania
Shared: Pixel Graphics · Platformer · 2D

Dead Cells
Shared: Adventure · Pixel Graphics · 2D

The Messenger
Shared: Pixel Graphics · Platformer · Action

Fever Meme
Shared: Multiple Endings · Action · Precision Platformer

BlazBlue Entropy Effect
Shared: Action · Pixel Graphics · 2D

Bread & Fred
Shared: Pixel Graphics · Precision Platformer · 2D Platformer

Lone Fungus
Shared: Pixel Graphics · Adventure · Precision Platformer