God gave Judas freedom to make his own decisions.
Whether or not he can make his own decisions is moot though.
The point is that an all-knowing God is aware of exactly what circumstances Judas will face, and exactly what decisions he will take. And this follows for everyone, not just Judas.
Whoever goes to hell does so purely because God made them so that they would.
God gave us all free choice, so we would make our own decision for Heaven or Hell. Since He wants us to go to Heaven, if we choose Heaven, He will reinforce it in us. What does this have to do with the fact that God knows everything? You are saying two opposites at the same time. You are saying that people can make their own decisions, but that God made their decisions for them.
In addition, have you ever watched a good movie more than once? If you did, why? You already knew the outcome.
Is there anything in your life that you know all about? But you set it aside because you are focusing on something else. While God is different than we are, you can see that just knowing all about something doesn't mean you have to focus on every aspect of it all the time.
