Games like The Thin Silence
Games like The Thin Silence include LIMBO, FEZ, GRIS, Hollow Knight, and Hollow Knight: Silksong. We matched them by the tags players give The Thin Silence on Steam (Indie, Adventure, Casual, Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Indie · Platformer · Puzzle Platformer

FEZ
Shared: Indie · Platformer · Adventure

GRIS
Shared: Indie · Adventure · Platformer

Hollow Knight
Shared: Platformer · Indie · 2D

Hollow Knight: Silksong
Shared: Indie · 2D · Platformer

Little Nightmares
Shared: Adventure · Indie · Atmospheric

Celeste
Shared: Indie · Platformer · 2D

Nihilumbra
Shared: Indie · Adventure · Platformer

Pinstripe
Shared: Indie · Adventure · Casual

OneShot
Shared: Indie · Adventure · Pixel Graphics

Out There Somewhere
Shared: Indie · Platformer · Adventure

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Retro

Seen
Shared: Indie · Adventure · Dark

INSIDE
Shared: Indie · Puzzle Platformer · Adventure

To the Moon
Shared: Indie · Adventure · Story Rich

Reventure
Shared: Indie · Adventure · 2D

SANABI
Shared: Adventure · Indie · 2D

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Singleplayer

Little Nightmares II
Shared: Adventure · Dark · Singleplayer

ANIMAL WELL
Shared: Platformer · Adventure · 2D

Papers, Please
Shared: Indie · Retro · Singleplayer

MO:Astray
Shared: Indie · Adventure · Platformer

DISTRAINT: Deluxe Edition
Shared: Indie · Adventure · 2D

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Casual