This is going to be the worst Golden Week ever, there isn't any relevant new title. At least I guess 3DS will manage to stabilize for a week ...
PSP will have a new shipment ready, so we can expect great sales. (around 60k - 70k units)
Last year we had Dragon Quest Monsters: Joker 2 and Metal Gear Solid: Peace Walker.
01. / 00. [NDS] Dragon Quest Monsters: Joker 2 (Square Enix) - 623,643 / NEW
02. / 00. [PSP] Metal Gear Solid: Peace Walker (Konami) - 434,366 / NEW
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What will happen to GT5 and LittleBigPlanet 2? nothing, both games bombed hard and no one in Japan cares about them anymore.
Will the Wii move back above 20k during the week? above 10k yes. (12k - 15k)
Where will the PS3 end up? 30k - 35k