The game is available at nearly 400 locations. The commonwealth's now one of 14 states to offer it.
Lottery officials expect more than $7 million to come back to Kentucky in its first year.
"The General Assembly have not designated this money to go to any other place just yet," said Sara Westerman of Kentucky Lottery. "So right now, it'll go where our proceeds go, which is post-secondary education."
Lottery officials hope to get 300 more stores to sell tickets within the next five years.