The spin-off was titled Inazuma Eleven Strikers. However, there's a spin-off series that rose up and tried to more closely emulate the gameplay style of traditional Sports games while still remaining true to what makes Inazuma Eleven so unique.
It seemed appropriate and, as a sequel to Inazuma Eleven, it practically screamed for a review.
Originally, I'd planned to review Inazuma Eleven 2.