Games like Der Blaue Diamant
Games like Der Blaue Diamant include Slime Rancher, Terraria, A Short Hike, Hogwarts Legacy, and Wuthering Waves. We matched them by the tags players give Der Blaue Diamant on Steam (Adventure, Exploration, Open World, 2D Fighter, and 2D): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Exploration · Adventure · Open World

Terraria
Shared: Adventure · 2D · Exploration

A Short Hike
Shared: Exploration · Adventure · Open World

Hogwarts Legacy
Shared: Open World · Adventure · Exploration

Wuthering Waves
Shared: Open World · Anime · Adventure

Fallout 4
Shared: Open World · Exploration · Adventure

DAVE THE DIVER
Shared: Adventure · Exploration · Pixel Graphics

Hello Kitty Island Adventure
Shared: Adventure · Open World · Exploration

Rain World
Shared: Exploration · Open World · 2D

Crimson Desert Enhanced
Shared: Open World · Exploration · Adventure

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

OneShot
Shared: Pixel Graphics · Adventure · Cute

Slime Rancher 2
Shared: Open World · Adventure · Cute

Dungeon Munchies
Shared: Adventure · Pixel Graphics · Anime

Rabi-Ribi
Shared: Anime · Exploration · Pixel Graphics

Cube World
Shared: Adventure · Open World · Exploration

Tainted Grail: The Fall of Avalon
Shared: Adventure · Open World · Exploration

Carto
Shared: Exploration · Adventure · Cute

Fallout: New Vegas
Shared: Open World · Exploration · Adventure

Greyfox RPG
Shared: Adventure · Anime · 2D

NTE: Neverness to Everness
Shared: Open World · Adventure · Anime

Drova - Forsaken Kin
Shared: Exploration · 2D · Open World

Starbound
Shared: Adventure · Open World · Exploration

Planet Centauri
Shared: Exploration · 2D · Open World