Sega All-Stars Dimension Crisis

 is a Japanese-American adventure crossover video game based on several properties by Sega. It is developed by Sonic Team and published by Sega, being released for PC, Mac, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X and Nintendo Switch on TBD 2020.

Synopsis
A mysterious new threat known as the Malum Tenebris has been released and has created multiple dimensional rifts, corrupting several as seven Sega heroes band together to stop the Malum Tenebris and its forces.

Characters
Note: * = initially corrupted.

Main

 * Sonic the Hedgehog (voiced by Roger Craig Smith) - a carefree and fun-loving hedgehog who joins a group of dimension lost heroes in order to stop the Malum Tenebris.
 * Ren Amamiya/Joker (voiced by Xander Mobus) - a teenager who uses creatures known as Personas as he joins the heroes to save the multiverse.
 * Morgana (voiced by Cassandra Lee Morris) - a mystic spirit who is a member of the Phantom Thieves and has an one-sided crush on Ann.
 * Kazuma Kiryu (voiced by ) - a member of the Yakuza who joins the group of heroes as he wants the worlds to be brought back to normal.
 * Nights (voiced by Allegra Clark) - a mischievous Nightmarean who joins the team of heroes to bring the dimension stream back to normal.
 * Hatsune Miku (voiced by Cristina Vee) - a fun-loving Japanese pop star who joins the heroes in order to stop the dimensional chaos.
 * Sam Gideon (voiced by Gideon Emery) - a futuristic soldier who uses an advanced suit and has joined the heroes to bring the dimensions back to normal.
 * Tyris Flare (voiced by Mary Elizabeth McGlynn) - a wild warrior from the past who was thrust into the world chaos and heads to bring it back to normal.

Supporting

 * Miles "Tails" Prower* (voiced by Colleen Villard) - Sonic's best friend who is an inventor and is skilled at inventing and experiments. While corrupted, he fashions himself as a mad scientist complete with several mad experiments he designed himself.
 * Knuckles the Echidna* (voiced by Dave B. Mitchell) - another of Sonic's friends who is extremely noble, being in charge of protecting the Master Emerald. While corrupted, he has became a massive hulking brute with a twisted obsession with fighting.
 * Amelia "Amy" Rose* (also voiced by Cristina Vee) - Sonic's girlfriend who is very giddy and goofy as she tries to help him out. While corrupted, she has become entirely obsessed with Sonic and wants him to only be hers.
 * Cream the Rabbit (voiced by Michelle Ruff) - a friendly rabbit who is extremely friendly and is friends with Sonic and Tails.
 * Vector the Crocodile, Espio the Chameleon and Charmy Bee (voiced by Keith Silverstein, Matthew Mercer and also by Colleen Villard, respectively) - a greedy crocodile, a stoic chameleon and a hyperactive bee who are members of a detective group called the Chaotix.
 * Shadow the Hedgehog* (voiced by Kirk Thornton) - a rival to Sonic's who prefers to stay alone as he was designed to be the ultimate life form. While corrupted, he has leaned into all of his edginess, mainly using guns and wanting to kill Sonic, believing his death can bring Maria back.
 * Rouge the Bat (voiced by Karen Strassman) - a flirtatious bat who is both a jewel thief and an agent of G.U.N., being connected to both Knuckles and Shadow.
 * Ann Takamaki/Panther* (voiced by Erika Harlacher) - a member of the Phantom Thieves who is known for being popular but is trying to not be seen as that. While corrupted, she has became extremely vain and pouty as she finds herself to be superior to everyone.
 * Ryuji Sakamoto/Skull* (voiced by Max Mittelman) - a member of the Phantom Thieves who is both aggressive and a major goofball. While corrupted, he is extremely insane as he loves causing violence and discourse in whatever way he can.
 * Futaba Sakura/Oracle* (voiced by Erica Lindbeck) - a member of the Phantom Thieves who is a major geek and is intelligent. While corrupted, she has lost all of her emotions and is willing to do anything in the pursuit of science.
 * Yusuke Kitagawa/Fox* (also voiced by Matthew Mercer) - a member of the Phantom Thieves who is extremely passionate about art. While corrupted, he has became extremely obsessed with painting as he wants to create the perfect painting.
 * Makoto Niijima/Queen (voiced by Cherami Leigh) - a member of the Phantom Thieves who is shy and can't really speak her mind about things.
 * Haru Okumura/Noir (voiced by Xanthe Huynh) - a member of the Phantom Thieves who is seen as eccentric but is actually somewhat shy.
 * Goro Majima* (also voiced by Matthew Mercer) - a frenemy of Kiyru's who is an insane but surprisingly reliable agent of the Yakuza. While corrupted, he's clearly a lot more obsessed over Kiyru, actively showing his insane obsession.
 * Daigo Dojima* (also voiced by Roger Craig Smith) - the leader of the Dojima Clan who is a close ally to Kiyru as he wants the best for the clan. When corrupted, he becomes completely emotionless and can easily pinpoint an enemy's weakness.
 * Taiga Saejima* (voiced by ) - a member of the Yakuza who is Goro Majima's partner as he is the straight man to his lunacy. When corrupted, he becomes a literal brute with a love of fighting.
 * Ax Battler* (voiced by Grant George) - one of Tyris' partners who is a Barbarian skilled with an ax. When corrupted, he becomes extremely violence prone, being heavily connected to his ax.
 * Gilius Thunderhead* (voiced by Dave Wittenberg) - a dwarven warrior who is friends with Tyris as he is skilled with a hammer. When corrupted, he becomes extremely drunk and somewhat unpredictable.
 * Blaze Fielding* (voiced by Caitlin Glass) - a former cop who has became a vigilante who delivers justice herself. When corrupted, she becomes extremely obsessed with law, punishing those who break an even simple one.
 * Alex Kidd* (voiced by Johnny Yong Bosch) - a playful monkey-human kid who loves going on adventures and beating people up. When corrupted, he becomes near feral, attacking anyone on sight.
 * Bayonetta* (voiced by Helena Taylor) - a flamboyant Umbra Witch who has been thrust in a war against the angels. When corrupted, her flamboyantism becomes extremely obvious as she treats everything like a play.
 * Ulala* (also voiced by Cherami Leigh) - a space reporter who is interested in reporting on several situations. When corrupted, she clearly becomes a bit more seductive yet a lot more childish, throwing fits when things don't go her way.

Antagonists

 * The Malum Tenebris (voiced by [definetly 4-5 VAs to give a lovecraftian vibe]) - an ancient being of darkness who plans on spreading his darkness all over the sega universe.
 * Dr. Ivo "Eggman" Robotnik (voiced by Mike Pollock) - an evil and hammy mad scientist who formed an alliance with the Malum Tenebris in order to conquer Mobius in his image.
 * Orbot and Cubot (also voiced by Kirk Thornton and by Wally Wingert, respectively) - Eggman's two robot underlings who are extremely incompetent but have a way to battle perceived threats to their boss.
 * Metal Sonic (non-speaking) - the prime android made by Robotnik who is obsessed with outsmarting and beating Sonic in whatever way.
 * Masayoshi Shido (also voiced by Keith Silverstein) - a corrupt politician who lead a conspiracy and was a major target to the Phantom Thieves as he gets an offer to help the Malum Tenebris.
 *  Akira Nishikiyama (voiced by Michael Rosenbaum) - Kiyru's former best friend who attempted a coup of the Yakuza as he gets resurrected by the Malum Tenebris with an offer to exact his revenge on Kiyru.
 * Reala (voiced by Benjamin Diskin) - Nights' rival who makes a willing alliance with the Malum Tenebris due to it promising him unlimited power.
 * Death Adder (voiced by [Christopher Corey Smith, Richard Epcar, Liam O'Brien, Patrick Seitz, Matthew Mercer, Steve Blum, Kaiji Tang, Kyle Hebert or TBD]) - a terrifying rogue knight who is a feared conqueror as he has made an alliance with the Malum Tenebris

Gameplay
The game is a turn-based RPG as you mainly play as the seven party members. There are no additional party members as you are capable of going through the story mode in any order. The game has an armor mechanic where you can collect armor to put on your characters as they can boost any of their major stats/abilities.

Trivia

 * TBD