Play Ninja Gaiden Sigma demo, earn essence in retail release
The upcoming Ninja Gaiden Sigma for PlayStation 3 will reward players with Yellow Essence, the game's currency, based on the amount of time you played the demo, currently available via the PlayStation Network.
With just under a month to go before Sigma sneaks onto North American PS3s (and even less for Japan and European gamers), Team Ninja is giving you a reason to play through the demo over and over again. The series has in all its iterations has attempted to up the ante in difficulty, so starting out with a bit of extra money for health potions couldn't hurt.
