Originally Posted by Quorra
Not if you are playing The Dark Eye (Das Schwarze Auge).

Doesn't (A)D&D also still use the d20?


Realms of Arkania is one of the last ones with D20s, together with the D20 System (which powers for example DnD)
Canｴt really think of anything else based on 20 sided dice. Though maybe that is just me.