CraPZORS dood try Monster Hunter can play tat online too for ps2. not just a hacking and slashing game also can use bowguns, lances, crossbows, sword and shields, great swords, hammers, blowguns, dualswords, and more. -l- they have avout 50 for each wep category. MH2 is coming out in america they say but i also heard MH3 for Ps3.
Well, just about any RPG has weapons, from Onimusha to Devil May Cry to Castlevania. However, if you're looking strictly for Ninja/Swordfighting games, check out Soul Calibur 2 (not 3. 3 was a piece of ----), Ninja Gaiden, Red Ninja (another piece of ----, but it's still a ninja game), Shinobi, Bujingai: The Forsaken Fortress, and Dynasty Warriors.
Well the ninja gaidan games are good, omniusha for sword fighting, dynasty warrior, thats all i know for now