Games like Echoes of the Deep
Games like Echoes of the Deep include Terraria, The Forest, Don't Starve, Dead Cells, and ARK: Survival Ascended. We matched them by the tags players give Echoes of the Deep on Steam (Action, Roguelike, 2D Platformer, 2D, and Crafting): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: 2D · Survival · Crafting

The Forest
Shared: Survival · Crafting · Action

Don't Starve
Shared: Survival · Crafting · Adventure

Dead Cells
Shared: Roguelike · Adventure · 2D

ARK: Survival Ascended
Shared: Survival · Crafting · Action

Rust
Shared: Crafting · Survival · Action

SANABI
Shared: Action · 2D Platformer · 2D

ARK: Survival Evolved
Shared: Survival · Crafting · Action

Far Cry® Primal
Shared: Action · Survival · Adventure

The Escapists
Shared: Crafting · 2D · Action

Skul: The Hero Slayer
Shared: Action · Roguelike · 2D

Forager
Shared: Crafting · Survival · 2D

Don't Starve Together
Shared: Survival · Crafting · Adventure

Green Hell
Shared: Survival · Action · Crafting

ELDEN RING NIGHTREIGN
Shared: Roguelike · Action · PvE

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

Have a Nice Death
Shared: 2D · Action · 2D Platformer

Dune: Awakening
Shared: Survival · Adventure · PvE

SCUM
Shared: Survival · Action · Crafting

Noita
Shared: Roguelike · 2D · Action

Once Human
Shared: Action · Survival · Crafting

SKYHILL
Shared: Survival · Roguelike · Adventure

Warhammer 40,000: Space Marine 2
Shared: Action · PvE · Adventure

Raft
Shared: Survival · Crafting · Adventure