The demo Ninja Gaiden 3: Razor's Edge is available for download By Valentina Carparelli P 13 mar 2013 14:22 The demo Ninja Gaiden 3: Razor's Edge , revised and corrected by NG3 already release on Wii U, is available for download on Marketplace ( WebLink 1.03 GB). For more information on the demo we invite you to read our previous news .