While the game play reminds me of ouendan I have to say that Project Diva doesn't have the plot that ouendan has but it make up for it in cute factor as well as "achievements" the point of playing is to unlock costumes as well as dance moves for edit mode and items for Miku's room.
The PV mode which is also unlockable is actually worth it. Many of the background videos are beautiful, cute, or just brilliant. I give it an 8 out 10. A plot , even if really small, would have been nice. The opening animation had me believing there was something but there isnt. I also would have like to been able to put in multiple Miku's in Edit mode.
Now for totally biased opinion.
OMG PROJECT DIVA IS FUCKING AWESOME! I LOVE THE SONGS AND THE DANCES!!! THE PVS ARE ROCK YOUR SOCKS OFF AWESOME. I HAVEN'T BEEN THIS EXCITED SINCE GUNDAM VS GUNDAM!!!!! I LOVE YOU PSP-CHAN AND MIKU-CHAN AND NENDROID MIKU-CHAN NO TIME TO TALK MUST UNLOCK KAITO
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