Much like the already-previewed PS3 version, this game feels very much like a blend of Mario Kart and LittleBigPlanet. While the customisation options aren't as deep as the larger console, and it's lacking the auto-populate function in the track studio, there's still plenty to play with. Soon after starting the game, I found myself lost in a sea of choices, most of which need unlocking.
Career mode appears to be the best way to unlock new options, and the characterisation added by the story is quite endearing. You play as "Tag", a former graffiti artist now getting into customising and racing karts. The cutscenes are all done in the same cutesy-3D style as the rest of the graphics, and the plotline is oddly compelling. The unlocks themselves are dependent on your performance, each race having three "career goals" to aim for, with increasing difficulty and bonuses for bronze, silver, and gold. The bronze target is almost always "third place or better" with no extra goals, but the tougher challenges offer silver and gold unlocks. There are also "Modjobs", which are a little like trophies, and also unlock items when achieved.