Games like Containment Zones
Games like Containment Zones include Hollow Knight, Stray, GRIS, Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™, and Hollow Knight: Silksong. We matched them by the tags players give Containment Zones on Steam (Singleplayer, 2D, Adventure, Tabletop, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: 2D · Singleplayer · Adventure

Stray
Shared: Adventure · Singleplayer · Atmospheric

GRIS
Shared: Atmospheric · Adventure · Singleplayer

Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™
Shared: Atmospheric · Adventure · 2D

Hollow Knight: Silksong
Shared: 2D · Singleplayer · Adventure

The Witcher 3: Wild Hunt — Remastered
Shared: Singleplayer · Atmospheric · Adventure

Dead Cells
Shared: Adventure · 2D · Singleplayer

Firewatch
Shared: Adventure · Atmospheric · Singleplayer

Night in the Woods
Shared: Adventure · Atmospheric · Singleplayer

Fallout 4
Shared: Singleplayer · Adventure · Atmospheric

Finding Paradise
Shared: Adventure · 2D · Singleplayer

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

Little Nightmares
Shared: Singleplayer · Adventure · Atmospheric

LIMBO
Shared: 2D · Singleplayer · Atmospheric

Eastward
Shared: Singleplayer · Adventure · Atmospheric

Little Nightmares II
Shared: Singleplayer · Adventure · Atmospheric

The Rewinder
Shared: Adventure · Singleplayer · 2D

Impostor Factory
Shared: Adventure · 2D · Singleplayer

FAR: Lone Sails
Shared: Adventure · Singleplayer · Atmospheric

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

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

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

The Mr. Rabbit Magic Show
Shared: Adventure · Singleplayer · Atmospheric

Hogwarts Legacy
Shared: Singleplayer · Adventure · Atmospheric