Tecmo announced today the release of both Ninja Gaiden Sigma 2 on PlayStation 3 and Undead Knights on PSP. The latest installment in the critically acclaimed series, Ninja Gaiden Sigma 2, releases in North America today, followed by Japan and Europe on October 2nd, 2009. The gut-wrenching, limb amputating, hack-n-slash zombie action game Undead Knights also releases in North America and today, followed later by a digital download release to play on the PSP Go.
