Games like Forever Someday
Games like Forever Someday include Moncage, The Beginner's Guide, Viewfinder, Antichamber, and Gorogoa. We matched them by the tags players give Forever Someday on Steam (Surreal, Experimental, Abstract, Casual, and Adventure): closest matches first, and among equally close ones the better-known games.

Moncage
Shared: Casual · Surreal · Adventure

The Beginner's Guide
Shared: Atmospheric · Abstract · Surreal

Viewfinder
Shared: Surreal · Abstract · Puzzle

Antichamber
Shared: Surreal · Abstract · Puzzle

Gorogoa
Shared: Casual · Puzzle · Atmospheric

Manifold Garden
Shared: Surreal · Abstract · Experimental

Brothers - A Tale of Two Sons
Shared: Adventure · Atmospheric · Emotional

Kentucky Route Zero: PC Edition
Shared: Surreal · Adventure · Atmospheric

Machinarium
Shared: Puzzle · Atmospheric · Adventure

OneShot
Shared: Atmospheric · Adventure · Puzzle

Before Your Eyes
Shared: Narrative · Emotional · Adventure

LIMBO
Shared: Atmospheric · Adventure · Surreal

Hylics
Shared: Surreal · Abstract · Atmospheric

Fran Bow
Shared: Adventure · Puzzle · Atmospheric

GRIS
Shared: Atmospheric · Adventure · Indie

Milk inside a bag of milk inside a bag of milk
Shared: Experimental · Abstract · Adventure

Impostor Factory
Shared: Adventure · Emotional · Atmospheric

The Room
Shared: Adventure · Atmospheric · Puzzle

Samorost 1
Shared: Surreal · Casual · Puzzle

Superliminal
Shared: Surreal · Puzzle · Psychological

Strange Jigsaws
Shared: Casual · Adventure · Abstract

There Is No Game: Wrong Dimension
Shared: Adventure · Casual · Puzzle

The Last Campfire
Shared: Adventure · Puzzle · Atmospheric

Sally Face - Episode One
Shared: Adventure · Atmospheric · Puzzle