Square Enix polled Japanese gamers about which Dragon Quest titles they liked the best. Those gamers replied, the votes were tallied, and now, we have the results.
They are, along with the preferred platform, where applicable:
10. Dragon Quest VI (Super Famicom)
9. Dragon Monsters Joker 2
8. Dragon Quest IV (DS)
7. Dragon Quest VII
6. Dragon Quest VI (DS)
5. Dragon Quest V (DS)
4. Dragon Quest V (Super Famicom)
3. Dragon Quest III (Famicom)
2. Dragon Quest VIII
1. Dragon Quest IX
Remakes account for some of the repetition.
The first Dragon Quest was number 17 on the fan survey, and Dragon Quest II was 15. Released in 1986, Dragon Quest was developed by Chunsoft and published by Enix. The game was released in 1989 in the West as "Dragon Warrior".
The Dragon Quest franchise is one of the most popular in Japan.