How many naruto shippuden games are out?

Naruto Shippūden: Gekitō Ninja Taisen EX (Wii)
Naruto Shippūden: Gekitō Ninja Taisen EX 2 (Wii)
Naruto Shippūden: Gekitō Ninja Taisen EX 3 (Wii)
Naruto Shippūden: Gekitō Ninja Taisen Special (Wii)
Naruto Shippuden: Clash of Ninja Revolution 3 (Wii)
Naruto Shippuden: Dragon Blade Chronicles (Wii)
Naruto Shippūden: Ninja Council 4 (Nintendo DS)
Naruto Shippūden: Naruto vs. Sasuke (Nintendo DS)
Naruto Shippuden: Ninja Destiny 2 (Nintendo DS)
Naruto Shippuden: Ninja Destiny 3 (Nintendo DS)
Naruto Shippūden: Legends: Akatsuki Rising (PSP)
Naruto Shippūden: Kizuna Drive (PSP)
Naruto Shippūden: Narutimate Impact (PSP)
Naruto Shippūden: Ultimate Ninja 4 (PS2)
Naruto Shippūden: Ultimate Ninja 5 (PS2)
Naruto Shippūden: Ultimate Ninja Storm 2 (PS3 & Xbox 360)
Naruto Shippūden: Ultimate Ninja Heroes 3 (PSP)
Naruto Shippūden: Dairansen! Kage Bunshin Emaki (Nintendo DS)
Naruto Shippuden: Shinobi Rumble (Nintendo DS)
Naruto Shippuden 3D: The New Era (Nintendo 3DS)