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

Fran Bow
Shared: Horror · Point & Click · Puzzle

Samsara Room
Shared: Indie · Free to Play · Puzzle

Poppy Playtime
Shared: Horror · Free to Play · Puzzle

Sally Face - Episode One
Shared: Indie · Horror · Puzzle

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Little Nightmares II
Shared: Horror · Puzzle · Adventure

Rusty Lake Paradise
Shared: Puzzle · Indie · Point & Click

Detention
Shared: Horror · Indie · Puzzle

The Room
Shared: Puzzle · Point & Click · Atmospheric

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

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Horror · Story Rich

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

Servant of the Lake
Shared: Puzzle · Point & Click · Adventure

INSIDE
Shared: Horror · Indie · Atmospheric

Papers, Please
Shared: Indie · Point & Click · Puzzle

Mouthwashing
Shared: Horror · Indie · Atmospheric

LIMBO
Shared: Indie · Puzzle · Atmospheric

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

DISTRAINT: Deluxe Edition
Shared: Indie · Horror · Adventure

The Mr. Rabbit Magic Show
Shared: Free to Play · Puzzle · Point & Click

The Cat Lady
Shared: Horror · Indie · Adventure

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

Firework
Shared: Horror · Indie · Puzzle

Chants of Sennaar
Shared: Puzzle · Indie · Adventure