Games like Death Unphased
Games like Death Unphased include Celeste, Super Meat Boy, VVVVVV, Downwell, and Jump King. We matched them by the tags players give Death Unphased on Steam (Precision Platformer, Pixel Graphics, Difficult, Time Attack, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Pixel Graphics · Difficult

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

VVVVVV
Shared: Precision Platformer · Pixel Graphics · Difficult

Downwell
Shared: Precision Platformer · Pixel Graphics · Indie

Jump King
Shared: Precision Platformer · Difficult · Pixel Graphics

SANABI
Shared: Pixel Graphics · 2D Platformer · Indie

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

Geometry Dash
Shared: Difficult · Precision Platformer · Indie

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

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Retro · Indie

Out There Somewhere
Shared: Pixel Graphics · Indie · Platformer

LOVE
Shared: Pixel Graphics · Indie · Precision Platformer

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

The Messenger
Shared: Pixel Graphics · Retro · Platformer

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Difficult · Retro

LIMBO
Shared: Puzzle Platformer · Indie · Platformer

The End Is Nigh
Shared: Precision Platformer · Difficult · Indie

UFO 50
Shared: Pixel Graphics · Indie · Retro

N++ (NPLUSPLUS)
Shared: Precision Platformer · Difficult · 2D Platformer

Electronic Super Joy
Shared: Difficult · Indie · Pixel Graphics

Dungeon Escape
Shared: Precision Platformer · Difficult · Retro

Hotline Miami
Shared: Pixel Graphics · Indie · Retro

Rain World
Shared: Difficult · Pixel Graphics · Indie

Skul: The Hero Slayer
Shared: Pixel Graphics · Indie · Difficult