Question: Avengers in Galactic Storm was based on primarily the characters briefly known as the Ruul and what other group?
Sentence (from "Ben 10: Galactic Racing"): A new alien, Fasttrack, makes his video game debut on every platform and one of Ben's original aliens, Diamondhead will be made exclusively available on the Nintendo DS This is the first "Ben 10" game that's not available on the PlayStation Portable and the PlayStation 2, and the first "Ben 10" game in which the player can play as Vilgax.
Relevant evidence: No