Games like Loneliness
Games like Loneliness include Nodebuster, The Beginner's Guide, Hook, Strange Jigsaws, and Impostor Factory. We matched them by the tags players give Loneliness on Steam (Experimental, Abstract, Minimalist, Casual, and 2D): closest matches first, and among equally close ones the better-known games.

Nodebuster
Shared: Casual · Experimental · 2D

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

Hook
Shared: Casual · Minimalist · Abstract

Strange Jigsaws
Shared: Casual · Abstract · 2D

Impostor Factory
Shared: Emotional · 2D · Atmospheric

Moncage
Shared: Casual · Abstract · Experimental

Townscaper
Shared: Experimental · Casual · Stylized

Star Sky
Shared: Casual · 2D · Atmospheric

Progressbar95
Shared: Experimental · Casual · 2D

Melvor Idle
Shared: Casual · 2D · Minimalist

Gorogoa
Shared: Casual · Atmospheric · 2D

Journey
Shared: Atmospheric · Casual · Adventure

Word Game
Shared: 2D · Exploration · Minimalist

60 Seconds! Reatomized
Shared: 2D · Casual · Choose Your Own Adventure

Finding Paradise
Shared: Emotional · 2D · Atmospheric

Understand
Shared: Abstract · Minimalist · Experimental

LIMBO
Shared: 2D · Atmospheric · Dark

Tengami
Shared: Casual · Experimental · Atmospheric

DISTRAINT 2
Shared: 2D · Atmospheric · Casual

Manifold Garden
Shared: Abstract · Experimental · Minimalist

DAVE THE DIVER
Shared: Casual · Adventure · Exploration

LYNE
Shared: Minimalist · Casual · Abstract

THE LONGING
Shared: 2D · Walking Simulator · Atmospheric

100 hidden snails
Shared: Abstract · Casual · 2D