Can i sue a game company that made a video contest then when i won they didn't send the prize ?

As with everything in life, it depends. You need the terms of the contest to be reviewed by a lawyer in the jurisdiction the contest states controls.

Am I being blackmailed?

Scam scam scam scam scam. Pay nothing. Its all a scam.

Is it illegal to post a conversation on a blog site that occurred with a pedophile?

Go to the police. Put an end to his abuse.

This is my third time answering a question on this scam tonight. There is no father. There never was a girl. Pay nothing. Do not speak to them.

Will I go to jail for a sexting scam ?

Do NOTHING. It is 100% a scam. HTe to tell you though, there was never a girl. You sent your $@#% pic to a guy.

Pornography?

No it is not. No it can’t be.

What if somebody hack in my facebook account and posted unauthorize information?

Call the police. Depending on the nature of the image more than one crime may have been committed.

Every case is different. Your biggest problem will be whether there was an emergency that caused the driver to hit the brakes. If so there may be...

Can I sue Google and win for the below situation?

No. Google is protected by the Communication Decency Act. You can however sue the persons who posted the defamatory reviews.

HHow do I stop someone from posting my nude picture on the Internet??

This is extortion. Call the police immediately.