Sharpen your swords for a Weekend of Vengeance

Hopefully you've perfected your ninja skills playing the Ninja Gaiden II demo, because the ninja lessons you've learned will be tested come Friday when Xbox Live hosts a Weekend of Vengeance.

Celebrating the release of Ninja Gaiden II, this Weekend of Vengeance which runs from June 13th through June 15th will feature an Achieve and Win sweepstakes where a few NGII themed Xbox 360s will be up for grabs as well as three XBVM ninja movies (Ninja Hunter, A Life of Ninja and Ninja in the Deadly Trap) will be available for download. For free! Finally, if you haven't been keeping track, all seven Live exclusive Ask a Ninja episodes will be downloadable as well. This weekend, be vengeful, be a ninja and be deadly ...

This article was originally published on Joystiq.