Can One Accept Prizes Given by Stores in Islam?

Ruling on playing pool billiards and the loser paying for the table rental

Ruling on contests where buying something is a necessary condition of entry

If he buys a phone card and it has extra credit

The company gives those who buy a mobile phone a ticket for a draw to win another mobile phone

Internet competitions

Selling tickets and offering prizes to the winners from among the exhibits

Ruling on Quran reading competitions for children

Crossword puzzles

Are Video Games Haram?