Games like Exalted Seracthon
Games like Exalted Seracthon include SOMA, Starfield, OMORI, Fallout 4, and Lethal Company. We matched them by the tags players give Exalted Seracthon on Steam (Sci-fi, RPG, Indie, Psychological Horror, and Philosophical): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Psychological Horror · Sci-fi · Exploration

Starfield
Shared: RPG · Sci-fi · Exploration

OMORI
Shared: Psychological Horror · Indie · RPG

Fallout 4
Shared: RPG · Exploration · Adventure

Lethal Company
Shared: Sci-fi · Psychological Horror · Exploration

The Talos Principle
Shared: Sci-fi · Philosophical · Indie

ROUTINE
Shared: Sci-fi · Psychological Horror · Adventure

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

KARMA: The Dark World
Shared: Psychological Horror · Sci-fi · Philosophical

Outer Wilds
Shared: Exploration · Adventure · Sci-fi

Darkwood
Shared: Psychological Horror · RPG · Adventure

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

LISA: The Painful
Shared: RPG · Psychological Horror · Indie

Fallout: New Vegas
Shared: RPG · Exploration · Sci-fi

Cyberpunk 2077
Shared: RPG · Sci-fi · Exploration

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

SIGNALIS
Shared: Sci-fi · Psychological Horror · Atmospheric

The Forgotten City
Shared: Adventure · Exploration · Indie

What Remains of Edith Finch
Shared: Exploration · Indie · Atmospheric

Tainted Grail: The Fall of Avalon
Shared: RPG · Adventure · Exploration

Exo One
Shared: Exploration · Adventure · Flight

Elite Dangerous
Shared: Sci-fi · Space Sim · Exploration

Sally Face - Episode One
Shared: Indie · Psychological Horror · Adventure

No, I'm not a Human
Shared: Psychological Horror · Indie · Choices Matter

