Games like Dark Forest
Games like Dark Forest include DELTARUNE, Stoneshard, The Binding of Isaac: Rebirth, To the Moon, and Finding Paradise. We matched them by the tags players give Dark Forest on Steam (Mystery Dungeon, Pixel Graphics, Emotional, Singleplayer, and Lore-Rich): closest matches first, and among equally close ones the better-known games.

DELTARUNE
Shared: Pixel Graphics · Singleplayer · RPG

Stoneshard
Shared: Pixel Graphics · RPG · Roguelike

The Binding of Isaac: Rebirth
Shared: Pixel Graphics · Roguelike · Singleplayer

To the Moon
Shared: Emotional · Pixel Graphics · Singleplayer

Finding Paradise
Shared: Emotional · Pixel Graphics · Singleplayer

Impostor Factory
Shared: Pixel Graphics · Emotional · Singleplayer

Darkest Dungeon®
Shared: Dungeon Crawler · RPG · Roguelike

Moonlighter
Shared: Pixel Graphics · Roguelike · Dungeon Crawler

UnderMine
Shared: Pixel Graphics · RPG · Dungeon Crawler

Elin
Shared: Pixel Graphics · RPG · Roguelike

In Stars and Time
Shared: Emotional · RPG · Lore-Rich

Undertale
Shared: Pixel Graphics · Singleplayer · RPG

Enter the Gungeon
Shared: Pixel Graphics · Roguelike · Dungeon Crawler

Children of Morta
Shared: Pixel Graphics · Roguelike · RPG

Shattered Pixel Dungeon
Shared: Mystery Dungeon · Roguelike · Dungeon Crawler

Vampire Survivors
Shared: Pixel Graphics · Singleplayer · Roguelike

Just a To the Moon Series Beach Episode
Shared: Emotional · Pixel Graphics · RPG

Noita
Shared: Pixel Graphics · Roguelike · Dungeon Crawler

Dungreed
Shared: Pixel Graphics · Roguelike · Singleplayer

Crypt of the NecroDancer
Shared: Pixel Graphics · Roguelike · Dungeon Crawler

Dungeon of the ENDLESS™
Shared: Pixel Graphics · Roguelike · RPG

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Pixel Graphics · Dungeon Crawler · Roguelike

Clair Obscur: Expedition 33
Shared: Singleplayer · RPG · Lore-Rich

The Enchanted Cave 2
Shared: Pixel Graphics · RPG · Singleplayer