Games like Echo's Inc
Games like Echo's Inc include Poppy Playtime, Killer Frequency, MOLE, ROUTINE, and Strange Horticulture. We matched them by the tags players give Echo's Inc on Steam (Adventure, Simulation, Puzzle, 3D, and Cinematic): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Puzzle · First-Person · Adventure

Killer Frequency
Shared: Adventure · Puzzle · Simulation

MOLE
Shared: Simulation · Adventure · Puzzle

ROUTINE
Shared: Adventure · Cinematic · Puzzle

Strange Horticulture
Shared: Puzzle · Simulation · Adventure

The Room
Shared: Puzzle · Adventure · Atmospheric

SchoolBoy Runaway
Shared: Adventure · Puzzle · Simulation

The Room Three
Shared: Adventure · Puzzle · Atmospheric

Return of the Obra Dinn
Shared: Puzzle · Adventure · Detective

Inside the Backrooms
Shared: Puzzle · Adventure · Horror

Outer Wilds
Shared: Adventure · Puzzle · Atmospheric

Little Nightmares II
Shared: Adventure · Puzzle · Atmospheric

MiSide
Shared: First-Person · 3D · Atmospheric

INSIDE
Shared: Adventure · Atmospheric · Cinematic

Little Nightmares
Shared: Adventure · Puzzle · Atmospheric

The Room Two
Shared: Puzzle · Adventure · Atmospheric

The Rewinder
Shared: Adventure · Puzzle · Pixel Graphics

Garten of Banban
Shared: Puzzle · First-Person · 3D

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Horror

Platform 8
Shared: Adventure · Simulation · Puzzle

The Talos Principle
Shared: Puzzle · First-Person · Adventure

IMSCARED
Shared: Adventure · First-Person · Pixel Graphics

Buckshot Roulette
Shared: First-Person · Dark · 3D

Iron Lung
Shared: Atmospheric · Adventure · Pixel Graphics