Without a doubt one of the most addictive platform/puzzle games on the PSP, N+ is one of those games that will complete consume you in the best way possible.
...read the complete N+ review at GameZone
Regardless of your jumping skill, platforming history, or dodging prowess, N+ will be sure to keep you on your toes no matter where you are playing.
...read the complete N+ review at GameSpot
IGN
Despite my problems with the game, N+ is still an enjoyable PSP title with a ton of levels and a healthy number of options.
...read the complete N+ review at IGN
GamePro
Personally I'd say the real draw to go beyond the browser game is if you really want to create your own N levels, which personally, I don't.
...read the complete N+ review at GamePro
Even though multiplayer is offline, thankfully, the entire game doesn’t suffer the same fate. Unlike the home console version, players can upload, download, and rate created levels from a central server.
...read the complete N+ review at Game Informer