The Japanese Super Mario Galaxy 2 website has quite a bit of new info and media.
First up, the website revealed details on the upgraded 2 player mode in Super Mario Galaxy 2. As in the first title, one player controls Mario using the Wii Remote and Nun-chuck while the second player assists just using a Wii Remote. This time around, the second player will play as a Luma. At this point, exactly what the second player can do is unknown. He appears to be physically in the environment, where in the first Super Mario Galaxy you were simply a star on the screen.
Story details were revealed as well. Here is a quick summary from the website translated.
“This is one more stardust fairytale. Only once in a hundred years does stardust fall on the mushroom kingdom. As such, Peach invites Mario to the castle to watch. On his way over, Mario spots a mysterious light. He cautiously approaches it, and finds… a small, lost baby star. The star – ‘Baby Chico’ – follows Mario to the castle, but what is waiting for them there is…”
You can check out the new gameplay videos on the Super Mario Galaxy 2 website by clicking the top left icon on this page. There are four gameplay videos, so be sure to check them out.
Also somewhat worth noting is that the Japanese release of Super Mario Galaxy 2 is shipping with a DVD titled “My First Super Mario Galaxy 2.” Based off the title, it sounds like a basic instructional DVD for new gamers. Whether it is actually a DVD or a Wii specific disc is unknown at the moment.