Games like ARK -the lost fairytale-
Games like ARK -the lost fairytale- include Celeste, Five Nights at Freddy's: Into the Pit, Tales of the Black Forest, Look Outside, and ANIMAL WELL. We matched them by the tags players give ARK -the lost fairytale- on Steam (Horror, 2D Platformer, Puzzle Platformer, Exploration, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: 2D Platformer · Pixel Graphics · Female Protagonist

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

Tales of the Black Forest
Shared: Horror · RPG · Pixel Graphics

Look Outside
Shared: Horror · RPG · Pixel Graphics

ANIMAL WELL
Shared: Exploration · Puzzle Platformer · Horror

Ib
Shared: Horror · Pixel Graphics · Exploration

OMORI
Shared: Horror · RPG · Pixel Graphics

Webbed
Shared: 2D Platformer · Puzzle Platformer · Exploration

INSIDE
Shared: Puzzle Platformer · Horror · 2D Platformer

The Witch's House MV
Shared: Horror · 2D · RPG

Reventure
Shared: Multiple Endings · Adventure · Pixel Graphics

Undertale
Shared: Multiple Endings · RPG · Pixel Graphics

Little Goody Two Shoes
Shared: Horror · RPG · Exploration

Pocket Mirror ~ GoldenerTraum
Shared: Horror · RPG · 2D

Mad Father
Shared: Horror · Exploration · 2D

Angels of Death
Shared: Horror · RPG · Pixel Graphics

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Exploration · Female Protagonist

Five Nights at Freddy's: Security Breach
Shared: Horror · Exploration · Multiple Endings

Hollow Knight: Silksong
Shared: 2D · Exploration · Female Protagonist

Little Nightmares
Shared: Horror · Puzzle Platformer · Adventure

Terraria
Shared: 2D · Exploration · Pixel Graphics

CrossCode
Shared: Female Protagonist · RPG · Pixel Graphics

SANABI
Shared: 2D Platformer · Pixel Graphics · 2D

POPGOES Arcade
Shared: Horror · RPG · Exploration