He said: "I couldn't believe that I'd won all this money at the time - and it still hasn't sunk in. It's amazing. It was my first time playing online games"
"The first thing I will spend it on is the best possible medical treatment for my dad." His father is waiting for a heart and lung transplant.
"Family comes first and I'd give all this money back for him to be healthy again,"
Jon, from Cheshire, said.
The casino management responded: "It could be a world record for the largest jackpot payout in an online slot machine game."
"The first thing I will spend it on is the best possible medical treatment for my dad."
What's one of the first thing Jon's going to buy with his money?
"I'm trying not to get carried away and I really don't know what else I'm going to buy with the money," he said.
"Apart from a yellow Bentley Continental GT.
"I never even dreamed of driving a Bentley, let alone owning one. I've got a Fiat Punto at the moment."
The huge win from this online casino will also allow Jon to pay for a Mediterranean cruise for his relatives.