Games like Lovecraft's Untold Stories
Games like Lovecraft's Untold Stories include Hades, Skul: The Hero Slayer, UnderMine, Vampire Survivors, and The Binding of Isaac: Rebirth. We matched them by the tags players give Lovecraft's Untold Stories on Steam (Lovecraftian, Action, Adventure, Action Roguelike, and Indie): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Action · Indie

Skul: The Hero Slayer
Shared: Action · Indie · Action Roguelike

UnderMine
Shared: Action Roguelike · Action · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · Pixel Graphics

Dead Cells
Shared: Adventure · Action Roguelike · Pixel Graphics

Dungreed
Shared: Action Roguelike · Action · Pixel Graphics

Enter the Gungeon
Shared: Action Roguelike · Indie · Pixel Graphics

Streets of Rogue
Shared: Action Roguelike · Roguelite · Action

Hades II
Shared: Action · Action Roguelike · Roguelite

Look Outside
Shared: Lovecraftian · RPG · Adventure

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Lovecraftian

Hyper Light Drifter
Shared: Adventure · Indie · Action

Noita
Shared: Pixel Graphics · Indie · Action

Wizard of Legend
Shared: Action Roguelike · Action · Pixel Graphics

CARRION
Shared: Action · Pixel Graphics · Indie

Rogue Legacy
Shared: Action · Action Roguelike · Indie

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · RPG

The Binding of Isaac
Shared: Action Roguelike · Indie · Action

Heroes of Hammerwatch
Shared: Action Roguelike · Roguelite · Pixel Graphics

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

Dreamscaper
Shared: Action · Action Roguelike · Indie

Eldritch
Shared: Lovecraftian · Action Roguelike · Indie

bit Dungeon II
Shared: Action Roguelike · Action · RPG