Games like Dead Dreams
Games like Dead Dreams include Firework, Sally Face - Episode One, OneShot, DISTRAINT: Deluxe Edition, and No, I'm not a Human. We matched them by the tags players give Dead Dreams on Steam (Horror, 2D, Puzzle, Story Rich, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Firework
Shared: Horror · Puzzle · 2D

Sally Face - Episode One
Shared: Horror · Story Rich · Puzzle

OneShot
Shared: Story Rich · Pixel Graphics · Puzzle

DISTRAINT: Deluxe Edition
Shared: Horror · 2D · Pixel Graphics

No, I'm not a Human
Shared: Horror · Story Rich · Atmospheric

Little Nightmares II
Shared: Horror · Puzzle · Atmospheric

Mouthwashing
Shared: Horror · Story Rich · Atmospheric

The Rewinder
Shared: Puzzle · Pixel Graphics · 2D

Little Nightmares
Shared: Horror · Atmospheric · Puzzle

FAITH: The Unholy Trinity
Shared: Horror · Pixel Graphics · Story Rich

Tiny Bunny
Shared: Horror · Story Rich · Atmospheric

OMORI
Shared: Story Rich · Pixel Graphics · Horror

Fran Bow
Shared: Horror · Puzzle · Story Rich

Undertale
Shared: Story Rich · Pixel Graphics · 2D

Detention
Shared: Horror · Puzzle · Story Rich

Angels of Death
Shared: Horror · Puzzle · 2D

SOMA
Shared: Horror · Story Rich · Atmospheric

KinitoPET
Shared: Horror · 2D · Retro

Papers, Please
Shared: Pixel Graphics · Puzzle · Story Rich

INSIDE
Shared: Horror · Atmospheric · Story Rich

Poppy Playtime
Shared: Horror · Puzzle · Dark

Return of the Obra Dinn
Shared: Puzzle · Story Rich · Atmospheric

Mad Father
Shared: Horror · 2D · Pixel Graphics

Cube Escape Collection
Shared: Puzzle · Horror · Story Rich