Project X Zone: The Fighter

Project X Zone: The Fighter is a crossover fighting game between three companies: Capcom, Sega, and Namco Bandai. There are three versions of the game. One is developed by Capcom in the style of Marvel vs Capcom 3 with the option to play battles from 1 to 3 characters per team, one is developed by Sega, in the style of Virtua Fighter 5 with an optional tag team mechanic, and one is developed by Namco Bandai, in the style of Tekken Tag Tournament 2. Each version contains the same roster of characters and stages.

Capcom

 * Amaterasu (Okami)
 * Arthur (Ghosts 'n Gobins)
 * Asura (Asura's Wrath)
 * B.B. Hood (Darkstalkers)
 * Captain Commando
 * Chris Redfield (Resident Evil)
 * Chun-Li (Street Fighter)
 * Dante (Devil May Cry)
 * Felicia (Darkstalkers)
 * Firebrand (Gargoyle's Quest)
 * Frank West (Dead Rising)
 * Gene (God Hand)
 * Mike Haggar (Final Fight)
 * Hsien-Ko (Darkstalkers)
 * Jill Valentine (Resident Evil)
 * Juri (Street Fighter)
 * M. Bison [AKA Vega] (Street Fighter)
 * Morrigan (Darkstalkers)
 * Nemesis (Resident Evil)
 * Phoenix Wright (Ace Attorney)
 * Ryu (Breath of Fire)
 * Ryu (Street Fighter)
 * Nathan Spencer (Bionic Commando)
 * Strider Hiryu (Strider)
 * Trish (Devil May Cry)
 * Tron Bonne (Mega Man Legends)
 * Vergil (Devil May Cry)
 * Viewtiful Joe
 * Albert Wesker (Resident Evil)
 * X (Mega Man X)
 * Zero (Mega Man X)

Sega

 * Altered Beast
 * Akira (Virtua Fighter)
 * Ax Battler (Golden Axe)
 * Axel Stone (Streets of Rage)
 * Bahn (Fighting Vipers)
 * Bayonetta
 * Beat (Jet Set Radio)
 * Blaze (Streets of Rage)
 * Cyrille (Shining Force EXA)
 * Dural (Virtua Fighter)
 * Dr. Eggman (Sonic the Hedgehog)
 * Ethan Waber (Phantasy Star Universe)
 * Gilius (Golden Axe)
 * Grace (Fighting Vipers)
 * Honey [AKA Candy] (Fighting Vipers)
 * Jack Cayman (MadWorld)
 * Joe Musashi (Shinobi)
 * Kage Maru (Virtua Fighter)
 * Karen Erra (Phantasy Star Universe)
 * Leanne (Resonance of Fate)
 * Max (Streets of Rage)
 * Pai Chan (Virtua Fighter)
 * Raxel (Fighting Vipers)
 * Sam Gideon (Vanquish)
 * Shadow (Sonic the Hedgehog)
 * Sonic the Hedgehog
 * Toma (Shining Force EXA)
 * Tyris Flare (Golden Axe)
 * Ulala (Space Channel 5)
 * Vectorman
 * Zephyr (Resonance of Fate)

Namco Bandai
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 * Alexei (Tales of Vesperia)
 * Alisa (God Eater Burst)
 * BlackRose (.hack)
 * Bravoman
 * Chopin (Eternal Sonata)
 * Estelle (Tales of Vesperia)
 * Gilgamesh (The Tower of Druaga)
 * Heihachi (Tekken)
 * Heike (The Genji and the Heike Clans)
 * Ivy (Soul Calibur)
 * Jin (Tekken)
 * Kazuya (Tekken)
 * Ki (The Tower of Druaga)
 * Kite (.hack)
 * Klonoa
 * KOS-MOS (Xenosaga)
 * Kota (God Eater Burst)
 * Mitsurugi (Soul Calibur)
 * Monkey (Enslaved: Odyssey to the West)
 * Nightmare (Soul Calibur)
 * Ninja (I-Ninja)
 * Pac-Man
 * Prince of the Cosmos (Katamari)
 * Reiji Arisu (Namco X Capcom)
 * Rick Taylor (Splatterhouse)
 * Siegfried (Soul Calibur)
 * Soma (God Eater Burst)
 * Taizo Hori (Dig Dug)
 * T-elos (Xenosaga)
 * Xiaoyu (Tekken)
 * Yuri (Tales of Vesperia)