Seiken Densetsu: Final Fantasy Gaiden (Final Fantasy Adventure)
Seiken Densetsu 2 (Secret of Mana)
Seiken Densetsu 3
Seiken Densetsu: Legend of Mana (Legend of Mana)*
Shinyaku Seiken Densetsu (Sword of Mana)**

*No, this is not called Seiken Densetsu 4 in Japan.
**This is a remake of the first game.