Games like Old Skies
Games like Old Skies include No Case Should Remain Unsolved, Storyteller, Finding Paradise, Until Then, and To the Moon. We matched them by the tags players give Old Skies on Steam (Adventure, Point & Click, Interactive Fiction, Exploration, and 2D): closest matches first, and among equally close ones the better-known games.

No Case Should Remain Unsolved
Shared: Interactive Fiction · Point & Click · Adventure

Storyteller
Shared: Point & Click · Interactive Fiction · Adventure

Finding Paradise
Shared: Adventure · Emotional · 2D

Until Then
Shared: Interactive Fiction · Pixel Graphics · Emotional

To the Moon
Shared: Adventure · Interactive Fiction · Pixel Graphics

Syberia: The World Before
Shared: Adventure · Point & Click · Exploration

A Plague Tale: Requiem
Shared: Adventure · Exploration · Cinematic

Impostor Factory
Shared: Adventure · 2D · Pixel Graphics

Terraria
Shared: Adventure · 2D · Pixel Graphics

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

The Excavation of Hob's Barrow
Shared: Adventure · Point & Click · Pixel Graphics

Goodnight Universe
Shared: Adventure · Interactive Fiction · Point & Click

There Is No Game: Wrong Dimension
Shared: Point & Click · Adventure · Pixel Graphics

Pentiment
Shared: Adventure · Interactive Fiction · Exploration

Refind Self: The Personality Test Game
Shared: Interactive Fiction · Adventure · 2D

The Case of the Golden Idol
Shared: Point & Click · 2D · Interactive Fiction

Detroit: Become Human
Shared: Cinematic · Adventure · Emotional

Whispers of a Machine
Shared: Adventure · Point & Click · 2D

Urban Myth Dissolution Center
Shared: Adventure · Pixel Graphics · 2D

DAVE THE DIVER
Shared: Adventure · Pixel Graphics · Exploration

Endacopia
Shared: Adventure · Point & Click · Exploration

The Drifter
Shared: Point & Click · Pixel Graphics · Investigation

Cats and the Other Lives
Shared: Adventure · Interactive Fiction · Pixel Graphics

FINAL FANTASY VI
Shared: Adventure · 2D · Exploration