What if Konami acquired Capcom?/Sega All-Stars Fighting

Gameplay
The gameplay is similar to Dragon Ball Z: Budokai Tenkaichi and Naruto: Ultimate Ninja Storm, yet up to 8 players can fight each other.

Sonic the Hedgehog

 * Sonic the Hedgehog
 * Miles "Tails" Prower
 * Knuckles the Echidna
 * Dr. Ivo "Eggman" Robotnik
 * Shadow the Hedgehog

Pac-Man

 * Pac-Man
 * Blinky

Tekken

 * Kazuya Mishima
 * Paul Phoenix
 * Nina Williams
 * Jin Kazama

Soulcalibur

 * Siegfried Schtauffen
 * Sophitia Alexandra
 * Heishiro Mitsurugi
 * Nightmare

Virtua Fighter

 * Akira Yuki
 * Pai Chan
 * Jacky Bryant
 * Sarah Bryant

Yakuza

 * Kazuma Kiryu
 * Goro Majima

Shenmue

 * Ryo Hazuki

Shinobi

 * Joe Musashi

Golden Axe

 * Ax Battler
 * Gilius Thunderhead

Streets of Rage

 * Axel Stone
 * Blaze Fielding

The House of the Dead

 * G

Virtua Cop

 * Janet Marshall

Time Crisis

 * Keith Martin

Valkyria Chronicles

 * Welkin Gunther
 * Brigitte "Rosie" Stark

Skies of Aradia

 * Vyse Inglebard

Sakura Wars

 * Ichiro Ogami
 * Sakura Shinguji
 * Kanna Kirishima

Phantasy Star

 * Ethan Waber

Shining

 * Souma Akizuki

Hatsune Miku: Project DIVA

 * Hatsune Miku

Klonoa

 * Klonoa