A linked jackpot is a single jackpot that has multiple electronic gaming machines linked to it. All of the linked gaming machines contribute to the prize pool. Approval is not required to install a linked jackpot arrangement in a casino.
The biggest prizes are awarded in Mega Millions and Powerball. Each player picks a series of numbers that they hope will be randomly selected during the next drawing. The jackpot goes to the person (or people) who pick all six numbers correctly. The odds of doing that are shockingly low.