Games like The Gap
Games like The Gap include SOMA, What Remains of Edith Finch, Amnesia: A Machine For Pigs, ROUTINE, and DEATH STRANDING DIRECTOR'S CUT. We matched them by the tags players give The Gap on Steam (Interactive Fiction, Psychological Horror, Action-Adventure, Story Rich, and Sci-fi): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Psychological Horror · Story Rich · Sci-fi

What Remains of Edith Finch
Shared: Story Rich · Walking Simulator · Atmospheric

Amnesia: A Machine For Pigs
Shared: Story Rich · Psychological Horror · Walking Simulator

ROUTINE
Shared: Psychological Horror · Sci-fi · Atmospheric

DEATH STRANDING DIRECTOR'S CUT
Shared: Story Rich · Walking Simulator · Atmospheric

Outer Wilds
Shared: Story Rich · Exploration · Puzzle

Firewatch
Shared: Story Rich · Walking Simulator · Atmospheric

Layers of Fear (2016)
Shared: Psychological Horror · Walking Simulator · Story Rich

The Beginner's Guide
Shared: Story Rich · Walking Simulator · Atmospheric

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

A Plague Tale: Requiem
Shared: Action-Adventure · Interactive Fiction · Exploration

The Talos Principle
Shared: Story Rich · Sci-fi · Puzzle

The Talos Principle 2
Shared: Story Rich · Sci-fi · Puzzle

Amnesia: Rebirth
Shared: Action-Adventure · Story Rich · Puzzle

Before Your Eyes
Shared: Story Rich · Interactive Fiction · Emotional

Detroit: Become Human
Shared: Story Rich · Emotional · Sci-fi

Dear Esther: Landmark Edition
Shared: Interactive Fiction · Walking Simulator · Psychological Horror

Still Wakes the Deep
Shared: Psychological Horror · Story Rich · Walking Simulator

MiSide
Shared: Psychological Horror · Story Rich · First-Person

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Puzzle

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

Event[0]
Shared: Interactive Fiction · Story Rich · Sci-fi

Somerville
Shared: Story Rich · Emotional · Action-Adventure

The Exit 8
Shared: Psychological Horror · Walking Simulator · Exploration