PokerStars: Sunday Billion closed
The Sunday Billion is a premier weekly tournament taking place @ 15:00 ET every Sunday and with a buy-in of 1,000,000 chips.
Buy-in directly or qualify via satellites running throughout the week.
Players can also purchase Play Money chips from the main menu by going to Requests and then go to Purchase Play Money Chips. PokerStars recommends the $9.99 package of 2M chips.
Find out more here.