Career Difficulty Level doesn’t work, all are very easy.

Opponent difficulty:

I play on the hardest difficulty, but the AI is still very easy to beat. They rarely attack or shoot, and when they have possession, they often pass backward to the goalkeeper, who clears the ball and gives away possession easily. Every opponent tends to play the same way repeatedly, which makes matches predictable.

Lack of fouls and yellow cards:

The CPU almost never commits fouls or receives yellow cards. I haven’t had any penalties or free kicks against them, even after increasing their aggression to 99