Games like Deep Drift Signal Below
Games like Deep Drift Signal Below include DAVE THE DIVER, Keep Driving, Hollow Knight, Rain World, and Hollow Knight: Silksong. We matched them by the tags players give Deep Drift Signal Below on Steam (Adventure, Exploration, 2D, Atmospheric, and Underwater): closest matches first, and among equally close ones the better-known games.

DAVE THE DIVER
Shared: Adventure · Exploration · Pixel Graphics

Keep Driving
Shared: Atmospheric · Adventure · Exploration

Hollow Knight
Shared: 2D · Exploration · Adventure

Rain World
Shared: Exploration · Atmospheric · 2D

Hollow Knight: Silksong
Shared: 2D · Exploration · Indie

Hyper Light Drifter
Shared: Adventure · Atmospheric · Exploration

Terraria
Shared: 2D · Adventure · Exploration

Fallout 4
Shared: Exploration · Adventure · Singleplayer

OneShot
Shared: Atmospheric · Adventure · Indie

Stray
Shared: Adventure · Atmospheric · Exploration

ABZU
Shared: Exploration · Atmospheric · Adventure

Hogwarts Legacy
Shared: Adventure · Exploration · Singleplayer

Firewatch
Shared: Adventure · Atmospheric · Exploration

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

Five Nights at Freddy's: Into the Pit
Shared: Adventure · 2D · Exploration

Where Winds Meet
Shared: Free to Play · Adventure · Singleplayer

Look Outside
Shared: Adventure · 2D · Exploration

Cairn
Shared: Exploration · Adventure · Atmospheric

Ori and the Will of the Wisps
Shared: Adventure · Singleplayer · Atmospheric

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Singleplayer

Finding Paradise
Shared: Adventure · 2D · Atmospheric

Subnautica
Shared: Exploration · Underwater · Adventure

GRIS
Shared: Atmospheric · Adventure · Indie

Tomb Raider Game of the Year
Shared: Adventure · Exploration · Singleplayer