In the latest issues of a Japanese gaming magazine, an article about Ninja Gaiden Sigma 2 appeared, confirming the game for PS3.
High quality scan:
Some translations of the text:
- It will be an upgraded version of Ninja Gaiden 2 (not a direct port)
- Set to release in autumn 2009
- The magazine will be reporting new elements in coming issues
- Producer and director: Yosuke Hayashi (From Sigma)
- Development: Team Ninja
New features in the PS3 version:
- New weapon - spiked hammer "Genma"
- New giant boss battles not in the 360 version
- New playable character - female ninja Ayane