Games like Little Hats
Games like Little Hats include The Witcher 3: Wild Hunt — Remastered, Valheim, Hogwarts Legacy, Rust, and The Forest. We matched them by the tags players give Little Hats on Steam (Open World, Adventure, Survival, Mythology, and Fantasy): closest matches first, and among equally close ones the better-known games.

The Witcher 3: Wild Hunt — Remastered
Shared: Open World · Adventure · RPG

Valheim
Shared: Survival · Open World · Open World Survival Craft

Hogwarts Legacy
Shared: Open World · Adventure · Fantasy

Rust
Shared: Survival · Open World · Adventure

The Forest
Shared: Survival · Open World · Adventure

Don't Starve Together
Shared: Survival · Open World · Adventure

ARK: Survival Evolved
Shared: Survival · Open World · Open World Survival Craft

Enshrouded
Shared: Open World · Survival · Adventure

Dark and Light
Shared: Open World · Survival · Adventure

Dragon's Dogma 2
Shared: Open World · RPG · Fantasy

Terraria
Shared: Survival · Open World Survival Craft · Adventure

Conan Exiles Enhanced
Shared: Open World · Survival · Open World Survival Craft

Palworld
Shared: Open World · Survival · Open World Survival Craft

RuneScape: Dragonwilds
Shared: Open World · Survival · Open World Survival Craft

The Elder Scrolls Online - Standard Edition
Shared: Open World · Adventure · RPG

The Elder Scrolls IV: Oblivion Remastered
Shared: Open World · Adventure · RPG

The Long Dark
Shared: Open World · Survival · Open World Survival Craft

Subnautica
Shared: Survival · Open World · Open World Survival Craft

No Man's Sky
Shared: Open World · Survival · Open World Survival Craft

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: Open World · RPG · Fantasy

Middle-earth: Shadow of War
Shared: Open World · Adventure · RPG

Citadel: Forged with Fire
Shared: Open World · Survival · RPG

7 Days to Die
Shared: Survival · Open World · Open World Survival Craft

Crimson Desert Enhanced
Shared: Open World · Adventure · Fantasy