イースvs.空の軌跡オルタナティブ・サーガ Ys_vs._Sora_no_Kiseki
A crossover fighting game developed by [[Falcom]] putting characters from the [[Ys]] series against characters from the [[Eiyuu Densetsu]]'s [[Sora no Kiseki]] series.

h4. Characters

h5. Playable characters

h6. Ys
* [[Adol Christin]]
* [[Dogi (ys)|]]
* [[Elk (ys)|]]
* [[Mishera (ys)|]]
* [[Aisha Sari Edonas]]
* [[Geis (ys)|]]
* [[Crshe (ys)|]]
* [[Chester Stoddart]]

h6. Sora no Kiseki

* [[Estelle Bright]]
* [[Joshua Bright]]
* [[Tita Russell]]
* [[Agate Crosner]]
* [[Olivert Reise Arnor]]
* [[Kloe Rinz]]
* [[Renne (eiyuu densetsu)|]]
* [[Leonhardt (eiyuu densetsu)|]] (Secret character)
* [[Lloyd Bannings]] (Secret character; from [[Zero no Kiseki|Zero]]/[[Ao no Kiseki]] duology)

h5. Key characters

* Rappy (Pikkard from Ys series/Shining Pom from Kiseki series)
* [[Jue (ys)|]], [[Sera (ys)|]] & [[Xisa (ys)|]] from [[Ys VI Ark of Napishtim|Ys VI: Ark of Napishtim]]
* [[Mona (Falcom)|]] (Falcom's mascot)
* [[Michel Lap Haven]] from the Gagharv trilogy
* [[Galsis]] from the [[Dragon Slayer (series)|]] Xanadu series

h5. Support characters

h6. Ys

* [[Dark Fact]]
* [[Elena Stoddart]]
* [[Ernst (ys)|]]
* [[Feena (ys)|]] & [[Reah (ys)|]]
* [[Lilia (ys)|]]
* [[Mustafa (ys)|]]
* [[Olha (ys)|]]
* [[Sigrun (ys)|]]
* [[Tia (ys)|]] & [[Maya (ys)|]]
* [[Yunica Tovah]] & [[Hugo Fact]]

h6. Gagharv trilogy

* [[Jurio (eiyuu densetsu)|]] and [[Chris (eiyuu densetsu)|]] from [[Shiroki Majo]]

h6. Kiseki series

* [[Anelace Elfead]]
* [[Campanella (eiyuu densetsu)|]]
* [[Cassius Bright]]
* [[Elie MacDowell]]
* [[Gilbert Stein]]
* [[Josette Capua]]
* [[Kevin Graham]] & [[Ries Argent]]
* [[Scherazard Harvey]]
* [[Zin Vathek]]

h6. Other series

* [[Pipiro (zwei!!)|]] & [[Pockle (zwei!!)|]] from [[Zwei!!]]
* [[Dela Delon|]] from [[Brandish]]
* [[Parin]] & Gururumins from [[Gurumin]]
ys vs sora no kiseki alternative saga