Before the release of
Phantom Breaker: Omnia, the game had a total of 18 playable characters. An additional "female gang member" character was planned, but never made it into the final game. • : A 19-year-old college violinist. Her weapon is a large, two-handed sword named Maestro. • : A 14-year-old idol. Her weapon is a magical wand called Candy. • : A high school girl, who is also a ninja-in-training from the
Bakufu era. Her weapons are Shoukaku and Zuikaku — a ninja blade and a
kunai. • : A descendant of the
miko (a family of exorcists that have had some dealings with Phantom in the past). She fights with Kahoutou, her
naginata, to stop the duels. • : One of the few males in this contest. He is fighting to cure his little sister of an incurable disease. He fights with a gauntlet named Koutarou. • : She has no memories and fights only to satisfy her lust for battles. Her weapon of choice is a mace made of scrap materials, named Humongous. • : She does not know much of the world and has a gentle personality but a strong sense of justice. She beats opponents over the head with her battle hammer, Maggie. • : She finds out that one of the other combatants in
Phantom Breaker killed her mother, and she is on a quest for revenge. She fights with two blades called Aldina. • : The other male main character in this game. He is the CEO of a pharmaceutical company and he is fighting in order to resurrect his parents, who were assassinated fifteen years ago. He uses a long sword named Setsuna. • : She got bored with the real world and modified her body into an idealized version, based on a video game she liked. Her occupation is
cosplaying. She fights with a giant claw called Kusenia's Claw. • : A 9-year-old time traveler from the future who is part of the organization "Schrodinger". She is accompanied by a droid named Mauchuu. Her weapons are all-purpose laser guns named JJ Apple. • : He is not one of the main characters but the bodyguard to the mysterious Phantom. He fights using
telekinesis. • : A new character added in
Phantom Breaker: Extra. Sophia is a Fu-mantion Artifact made by the Russian Science Academy that despises Phantom. • : A new character added in
Phantom Breaker: Extra. A former senior official that worked for Phantom who wants to bring Japan back to its militarism dogma. • : A new character added in
Phantom Breaker: Extra. Ende is from the Schrödinger Space-Time patrol group and brings a giant robot named Nataku into battle. • : Two new characters added in
Phantom Breaker: Extra. Gaito & Rin are a team, but Rin, a 6-year-old girl, controls Gaito, an anti-soul that is brimming with power. • : Guest character from
Chaos;Head. She is a Gigalomaniac who can turn her delusions into reality. She wields a DI-sword. • : Guest character from
Steins;Gate. She is a genius who graduated early from an American university and helps out in a circle that develops strange inventions. She uses these strange inventions in gameplay. == Release ==