Topaz, the country’s largest fuels and convenience retailer, is to invest €3 million in a new interactive loyalty game for customers called PLAY or PARK. The Company expects 250,000 customers to sign up to the game in its first year. Among the monthly prizes on offer are a luxury holiday in Rio, a new car with free fuel for a year, an all expenses paid shopping trip to New York with three friends and a trip for four to the Monaco Grand Prix.