With the disappearance of Flandre Scarlet from the Scarlet Devil Mansion and the appearance of a large metal moon above the skies of Gensokyo, the fabled shrine maiden meets the legend of speed. But even with their combined powers, will it be enough to stop the mad doc from succeeding in his goals of domination? Could this be the end of Gensokyo?

Eggman has finally had it, and has brought in villains from across multiple dimensions. Sonic, Shantae, and even more characters will have to team up in order to restore the dimensions before their greatest enemies take over! Authors Note: It says only two worlds are crossed over, but it's actually seven. doesn't allow more that 2 series for crossovers.

When a boy awakens as a Riolu with no trace of his past in his mind, he forms an alliance with a Ralts to uncover his past. But what exactly lies in store of the fate in time? Will his past ever be revealed? And what is this rumor going around about the theft of Time Gears?

As if the chaos from their previous adventures weren't enough, Porky and Giygas are back, and with a vengeance. As the timelines and regions collide, the PK wielders will need to find new allies in each other in order to prevent the chaos rewriting the face of the earth! The clock is ticking for our heroes...