Games like D.V. Ex Agent (Episode 1)
Games like D.V. Ex Agent (Episode 1) include Firewatch, What Remains of Edith Finch, Summer of '58, POOLS, and The Beginner's Guide. We matched them by the tags players give D.V. Ex Agent (Episode 1) on Steam (Walking Simulator, Atmospheric, Psychological, Psychological Horror, and Adventure): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Atmospheric · Walking Simulator · Adventure

What Remains of Edith Finch
Shared: Atmospheric · Walking Simulator · Adventure

Summer of '58
Shared: Atmospheric · Walking Simulator · Psychological Horror

POOLS
Shared: Walking Simulator · Atmospheric · Psychological Horror

The Beginner's Guide
Shared: Walking Simulator · Atmospheric · Adventure

Millennium Dream
Shared: Walking Simulator · Adventure · Atmospheric

September 7th
Shared: Walking Simulator · Psychological Horror · Exploration

Platform 8
Shared: Walking Simulator · Psychological Horror · Adventure

Fears to Fathom - Ironbark Lookout
Shared: Atmospheric · Psychological Horror · Adventure

Mouthwashing
Shared: Psychological Horror · Atmospheric · Psychological

Layers of Fear (2016)
Shared: Atmospheric · Walking Simulator · Psychological Horror

[Chillas Art] The Convenience Store
Shared: Psychological Horror · Adventure · Atmospheric

Scanner Sombre
Shared: Walking Simulator · Atmospheric · Adventure

I'm counting to 6...
Shared: Walking Simulator · Adventure · Simulation

The Cabin Factory
Shared: Walking Simulator · Psychological Horror · Atmospheric

The Stanley Parable
Shared: Walking Simulator · Psychological · Adventure

KARMA: The Dark World
Shared: Walking Simulator · Psychological Horror · Atmospheric

ROUTINE
Shared: Atmospheric · Psychological Horror · Adventure

Father's Day
Shared: Walking Simulator · Psychological Horror · Simulation

The Exit 8
Shared: Walking Simulator · Psychological Horror · Exploration

SOMA
Shared: Atmospheric · Psychological Horror · Exploration

Luto
Shared: Walking Simulator · Psychological Horror · Atmospheric

Iron Lung
Shared: Atmospheric · Psychological Horror · Adventure

The Lightkeeper
Shared: Atmospheric · Adventure · Psychological Horror