[[falcom|Nihon Falcom]]'s flagship series of action RPGs.

h4.Titles

* [[Ys Origin]] (distant prequel to the [i]Ancient Ys Vanished[/i] duology)
* [[Ancient Ys Vanished]] (compiles Ys I and Ys II)
* [[Ys III Wanderers of Ys]] (remade as [i]Ys: The Oath in Felghana[/i])
* Ys IV series
** [[Ys IV Dawn of Ys]] (PC Engine)
** [[Ys Memories of Celceta]] (2012 remake)
* [[Ys V: Kefin the Lost City of Sand]]
* [[Ys VI Ark of Napishtim]]
* [[Ys Seven]]
* [[Ys VIII Lacrimosa of Dana]]
* [[Ys IX Monstrum Nox]]
* [[Ys X Nordics]]
イース ys