Remember that game you used to play as a kid that involved you moving a small ball baring through a wooden maze without letting it fall down through any of the holes? Well think of that, but intensified and that's probably the best way to describe Mercury...

Chances are, if you're an RPG fan and a PlayStation owner you've come across PoPoLoCrois at some point in your gaming career.

The game, which as spawned two versions on the PlayStation over a decade and its own anime series in Japan has been...