The National Lottery celebrates its 20-year anniversary this year.
Wales’ biggest-ever winner is former lorry driver Les Scadding, from Newport, who scooped a £45.5m EuroMillions win five years ago.
Now the fortunes of some of our biggest Lottery winners will be followed in a new four-part TV series on ITV Cymru Wales.
'The Welsh Millionaires’ Club' begins next Monday at 8pm.
A dad from Bangor is celebrating today after scooping the top prize on a National Lottery scratchcard.
Lynval Allen from Bethesda is now planning on buying his own home – something he never believed would be possible before the win.
Lynval, who has two sons and has been living in rented accommodation since he moved to Bethesda 10 years ago, said that without the £250,000 owning a house would never have become a reality.
Lynval, who works in Tesco, Bangor, said, “I only buy Scratchcards occasionally when the mood takes me. I bought one just before Christmas and won £100. I have bought a couple since and then I bought this latest one."
Three giant Lotto balls have been placed in Cardiff Bay, to mark big changes to the National Lottery which see tickets now cost £2 instead of £1.
Organisers Camelot say the balls are the biggest ever created - at twice the height of a double-decker Cardiff bus.
The new Lotto launch celebrations were held at the Wales Millennium Centre, built with the aid of lottery money.
Tickets for the new game went on sale today, with the first draw taking place this Saturday.
Organisers Camelot say their revamp - the biggest since the National Lottery began in 1994 - will give players more ways to win more money.
A mystery would-be millionaire missed out on a lottery jackpot in one of Wales most hard-up areas today. The ticket holder stood to pocket £1m after their numbers came-up in one of the country's deprivation blackspots.
But the winner from Blaenau Gwent failed to come forward for six months after hitting the jackpot. And now they've lost the lot with their "life-changing" prize going back into the National Lottery pot.
A Camelot spokesman said: "Unfortunately, I can confirm that the ticket-holder did not come forward within the deadline to claim their prize. Sadly they have now missed out on this substantial amount of money."
The unclaimed ticket sparked a "whowonnit" mystery in the former steelworks andmining area. The ticket holder won big on New Year's Day matching up the code on theMillionaire's raffle.
Had the winner come forward they would be one of the richest people in the area as the average gross weekly earnings is around £342 - below the Welsh average of £415.50.
A Swansea couple have become the latest in a line of Lottery winners from the area after their EuroMillions ticket netted them £1m.
Alan Parfitt, 56, and Jan Parfitt, 53, say last Friday's win still hasn't properly sunk in.
District nurse Jan said she 'burst out laughing' after her husband, a joiner, called her over to the computer to confirm they had won.
“I just laughed, and laughed," she said.
“I know it sounds crazy, but it was such an unreal feeling knowing we had suddenly won so much money that I couldn’t help it. In fact, I’m only just starting to believe it.”
The couple, who have a grown-up son and a four-month-old grandson, say they 'haven't had a moment' to think about what they'll spend their money on.
But Jan said: “We will certainly look after our family, and know that we can have a comfortable life from now on."
Good causes in Wales received more than £72 million of National Lottery funding in 2012, according to figures released today.
2,717 grants were awarded across Wales, providing a cash boost to local arts, sport and heritage projects and community groups.