Games like EXOTIUM - Episode 4
Games like EXOTIUM - Episode 4 include Mirror 2: Project X, Florence, Bloons TD 6, Donut County, and Mixtape. We matched them by the tags players give EXOTIUM - Episode 4 on Steam (Casual, Walking Simulator, Singleplayer, Solitaire, and 3D): closest matches first, and among equally close ones the better-known games.

Mirror 2: Project X
Shared: 3D · Singleplayer · Interactive Fiction

Florence
Shared: Casual · Indie · Singleplayer

Bloons TD 6
Shared: Singleplayer · Casual · 3D

Donut County
Shared: Casual · Indie · Singleplayer

Mixtape
Shared: Walking Simulator · Singleplayer · Casual

Before Your Eyes
Shared: Singleplayer · Walking Simulator · Indie

MUSYNX
Shared: Singleplayer · Casual · Indie

Moncage
Shared: Casual · Singleplayer · Indie

Baby Steps
Shared: Walking Simulator · Casual · 3D

Firewatch
Shared: Walking Simulator · Singleplayer · Indie

The Beginner's Guide
Shared: Walking Simulator · Singleplayer · Indie

Road 96: Mile 0
Shared: Walking Simulator · Interactive Fiction · 3D

Game Dev Tycoon
Shared: Casual · Singleplayer · Indie

Poker Night at the Inventory
Shared: Casual · Singleplayer · 3D

Little Inferno
Shared: Casual · Singleplayer · Indie

Sizeable
Shared: Casual · Singleplayer · Indie

Gorogoa
Shared: Singleplayer · Casual · Indie

WEBFISHING
Shared: Casual · Indie · 3D

To the Moon
Shared: Singleplayer · Indie · Interactive Fiction

There Is No Game: Wrong Dimension
Shared: Indie · Casual · Singleplayer

Mountain
Shared: Casual · Singleplayer · Indie

Plague Inc: Evolved
Shared: Singleplayer · Casual · Indie

The Stanley Parable
Shared: Walking Simulator · Indie · Singleplayer

Doll Impostor
Shared: Walking Simulator · 3D · Singleplayer