Arduin
| The Arduin Trilogy covers | |
| Designers | David A. Hargrave | 
|---|---|
| Publishers | 
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| Publication | 1977–present | 
| Genres | Fantasy, Science fiction, Horror | 
| Systems | Custom | 
Arduin is a fictional universe and fantasy role-playing system created in the mid-1970s by David A. Hargrave. It was the first published "cross-genre" fantasy RPG, with everything from interstellar wars to horror and historical drama, although it was based primarily in the medieval fantasy genre.