Games like Neospace: Prologue
Games like Neospace: Prologue include Outer Wilds, Starfield, The Witcher 3: Wild Hunt — Remastered, No Man's Sky, and Hogwarts Legacy. We matched them by the tags players give Neospace: Prologue on Steam (Adventure, Choices Matter, Emotional, Atmospheric, and Space): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Adventure · Space · Exploration

Starfield
Shared: Space · Sci-fi · RPG

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Atmospheric · RPG

No Man's Sky
Shared: Space · Adventure · Sci-fi

Hogwarts Legacy
Shared: Adventure · RPG · Exploration

STAR WARS™ Knights of the Old Republic™
Shared: Adventure · Sci-fi · RPG

Fallout 4
Shared: Adventure · Atmospheric · RPG

Detroit: Become Human
Shared: Choices Matter · Emotional · Adventure

Deliver Us The Moon
Shared: Adventure · Space · Atmospheric

WILL: A Wonderful World / WILL:美好世界
Shared: Adventure · Choices Matter · RPG

Stray
Shared: Adventure · Atmospheric · Exploration

COCOON
Shared: Adventure · Atmospheric · Exploration

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

The Expanse: A Telltale Series
Shared: Adventure · Choices Matter · RPG

The Elder Scrolls IV: Oblivion Remastered
Shared: Adventure · RPG · Exploration

Road 96
Shared: Choices Matter · Adventure · Atmospheric

OneShot
Shared: Atmospheric · Choices Matter · Adventure

Marvel's Guardians of the Galaxy
Shared: Choices Matter · Adventure · Sci-fi

The Last Campfire
Shared: Adventure · Atmospheric · Emotional

Mass Effect™ Legendary Edition
Shared: Choices Matter · RPG · Sci-fi

Warhammer 40,000: Rogue Trader
Shared: Choices Matter · RPG · Adventure

The Talos Principle
Shared: Atmospheric · Sci-fi · Puzzle

STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™
Shared: Choices Matter · RPG · Sci-fi

STAR WARS Jedi: Fallen Order™
Shared: Sci-fi · Action-Adventure · Exploration