Games like GhostCry Hill
Games like GhostCry Hill include Resident Evil 2, Firework, Chants of Sennaar, CARRION, and Stray. We matched them by the tags players give GhostCry Hill on Steam (Puzzle, Horror, Gore, Singleplayer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Resident Evil 2
Shared: Horror · Singleplayer · Gore

Firework
Shared: Horror · Puzzle · 2D

Chants of Sennaar
Shared: Puzzle · Singleplayer · Indie

CARRION
Shared: Gore · Horror · Singleplayer

Stray
Shared: Singleplayer · Puzzle · Exploration

Poppy Playtime
Shared: Horror · Puzzle · Singleplayer

Lucius
Shared: Horror · Gore · Puzzle

Amnesia: The Dark Descent
Shared: Horror · Gore · Puzzle

Little Nightmares
Shared: Horror · Singleplayer · Puzzle

LIMBO
Shared: Puzzle · 2D · Horror

Little Nightmares II
Shared: Horror · Puzzle · Singleplayer

Fran Bow
Shared: Puzzle · Horror · Singleplayer

Resident Evil 7 Biohazard
Shared: Horror · Singleplayer · Gore

Rusty Lake Paradise
Shared: Puzzle · Horror · Singleplayer

ANIMAL WELL
Shared: Puzzle · Horror · Exploration

SOMA
Shared: Horror · Gore · Exploration

COCOON
Shared: Puzzle · Exploration · Singleplayer

Outer Wilds
Shared: Exploration · Puzzle · Singleplayer

Gorogoa
Shared: Puzzle · Singleplayer · Indie

Five Nights at Freddy's: Into the Pit
Shared: Horror · Singleplayer · 2D

Granny
Shared: Horror · Puzzle · Singleplayer

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

Scorn
Shared: Horror · Gore · Puzzle

Lorelei and the Laser Eyes
Shared: Puzzle · Horror · Exploration