Sonic Dimensions is a 3D Platformer Game created by Sonic Team and published by SEGA, is available on current-gen consoles including PC, Playstation, Xbox, and Nintendo, and is one of the next mainline installments in the Sonic The Hedgehog series.
Characters/Gameplay
There are 12 playable characters, Sonic, Tails, Knuckles, Amy, Ray, Mighty, Shadow, Rouge, Omega, Silver, Blaze, and Infinite. There are 3 campaigns: Hero, Infinite, and Last. The first 6 playable characters mentioned will have momentum-based gameplay where if you gain enough speed, you will start boosting. The other 6 will have regular boost gameplay.
Open Zone/Combat
The first 2 campaigns will have their own open zone similar to Sonic Frontiers. With a combat system that is present in the Bosses both in the Open Zones and in the Levels.
Gameplay
There will be some stages where it will be like Sonic Heroes and the Tag-Team in Sonic Forces where you will play as multiple characters at once. (E.g. Stage 6: Sonic, Tails, Knuckles, Amy, Mighty, and Ray) and with the bosses where you see the characters playable, they will be played at different health points.
Plot
The plot is Sonic, Tails, Knuckles, Ray, Amy, Mighty, Shadow, Rouge, Omega, Blaze and Silver end up in a new dimension while their world is being destroyed and twisted with the help of the incarnation of the Phantom Ruby called 'Valtron' and Infinite the Jackal, who is more powerful than before and is out to get the 7 phantom crystals while travelling through different worlds to power up a new planet called "Phantom Planet", that is on a collision course with earth and have the two powerful enemies fuse within the core and become a god that will destroy the universe while making a new one under their rule. It is up to the heroes to stop it while travelling through the wrecked landscapes of Earth with the help of a longtime resident of the Null dimension within the Vaporworld, her name being Explorer The Wolf.