I understood none of dis but I'm glad you're having fun :D
I'm keying my fat WAR
The story for Overworld is split into two modes.
World Tour follows the same idea as World, with the missions being scenarios taken from the shows, but with characters from different series' showing up throughout and scenarios becoming intertwined.
World Core is a completely original story new to Overworld, which follows the exploits of a masked man named Code Phoenix as he attempts to sort out all the crap that's going on in the G System (the computer that created the G Generation worlds) to stop the worlds colliding all the time and to stop everything from being destroyed. :O
World Core's first mission is way harder than World Tour's first. Every time I killed Amuro, he kept respawning in a more powerful Gundam. :I

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Then there were all the reinforcements that showed up afterwards... Anyway! :I
Levelling WAR, huh? You like it? :O