PSP Action Games

Hey all. I'm putting together a write up of sorts on handheld hack-n-slashes, and I was wondering if anyone had any input on PSP-specific action games, no matter how obscure. Being the first handheld capable of decent 3D graphics and coming at the tale end of the PS2 life cycle, the platform was rife for B-level games and spinoffs of big boy action titles on consoles.
What I've got so far

GoW spinoffs (Hot take Ghost of Sparta is my fav classic GoW)

Sengoku Basara spinoffs

Yakuza spinoffs

Musou/Warriors spinoffs

Dante's Inferno Port

Onechanbara Z

As you can see, nothing is too obscure or strange.

If we are talking pure action game the only other one I remember is Ghost Rider.
Action-rpg wise it had FF7: Crisis Core, Key of Heaven, Ys 7, Kingdom Hearts: Birth by Sleep, Ys VI (port from ps2), Ys Oath in Felghana (port).
There is also MGS: Peace Walker and the 2 Portable Ops if you consider them action games.

Undead Knights.

The Ninja Gaiden games were also mostly ported to the Vita iirc, which had a lot of added goodies.

Yeah, my first Ninja Gaiden was actually S+ on Vita because it was free

It was an acceptable port, ran at a solid 30 and looked great, 2's was not so good at all. Come to think of it the DS Viewtiful Joe spinoff was not bad at all