Games like Slender Threads: Prologue
Games like Slender Threads: Prologue include Sally Face - Episode One, Fran Bow, Poppy Playtime, Samsara Room, and Little Nightmares II. We matched them by the tags players give Slender Threads: Prologue on Steam (Free to Play, Point & Click, Psychological Horror, Story Rich, and Horror): closest matches first, and among equally close ones the better-known games.

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

Fran Bow
Shared: Point & Click · Psychological Horror · Story Rich

Poppy Playtime
Shared: Free to Play · Horror · Puzzle

Samsara Room
Shared: Free to Play · Point & Click · Puzzle

Little Nightmares II
Shared: Horror · Adventure · Puzzle

Detention
Shared: Psychological Horror · Horror · Story Rich

Rusty Lake Paradise
Shared: Point & Click · Puzzle · Psychological Horror

Little Nightmares
Shared: Horror · Adventure · Puzzle

Cube Escape Collection
Shared: Point & Click · Puzzle · Psychological Horror

The Room Two
Shared: Point & Click · Puzzle · Horror

SOMA
Shared: Psychological Horror · Horror · Story Rich

Servant of the Lake
Shared: Point & Click · Puzzle · Story Rich

The Room Three
Shared: Point & Click · Puzzle · Adventure

Little Misfortune
Shared: Psychological Horror · Point & Click · Story Rich

Mouthwashing
Shared: Psychological Horror · Story Rich · Horror

No, I'm not a Human
Shared: Psychological Horror · Horror · Story Rich

Tiny Bunny
Shared: Story Rich · Horror · Psychological Horror

The Room
Shared: Point & Click · Puzzle · Adventure

Ultimate Custom Night
Shared: Free to Play · Horror · Singleplayer

MiSide
Shared: Psychological Horror · Story Rich · Horror

The Cat Lady
Shared: Story Rich · Horror · Psychological Horror

Rusty Lake: Roots
Shared: Point & Click · Psychological Horror · Puzzle

DISTRAINT: Deluxe Edition
Shared: Psychological Horror · Horror · Indie

The White Door
Shared: Point & Click · Psychological Horror · Puzzle