The Duke of Cambridge scored the winning goal during a game of table football when he joined a group of Maltese teenagers for a lunchtime match.
William showed off his skills during a visit to a centre providing a range of services for youngsters and adults from an impoverished area of Malta.
The Duke went on to play an Xbox football game with three teenage boys, taking one of his computer footballers on a mazy run before getting tackled.
Earlier today, the Prince attended a mass to commemorate Malta's 50 years of independence.
The second-in-line to the throne has travelled to Malta in place of his pregnant wife Kate who withdrew due to a severe form of morning sickness.
Prince William joining a commemoration of Malta's 50 years of independence is believed to be the first time the second-in-line to the throne has attended a public mass.
Kate was forced to withdraw from the two-day trip - scheduled to be her first official solo overseas visit - as she is still suffering from a severe form of morning sickness called hyperemesis gravidarum.
When William was officially welcomed by Maltese president Marie-Louise Coleiro Preca yesterday, she asked about his wife and the Duke said she was "so-so", adding "she's so sad not to be here".
The cathedral was built in the 16th century as the church of the Order of the Knights of St John, former rulers of Malta and is lavishly decorated in the baroque style.
The Duke of Duke of Cambridge joined a solemn mass attended by leading national figures to commemorated Malta's 50 years of independence.
In the majestic setting of St John's Co-Cathedral in the capital Valletta, prayers were said and hymns sung in thanksgiving for five decades of self rule.
Prince William, a last minute replacement for his pregnant wife, sat in the front pew with Britain's high commissioner to Malta Rob Luke during the hour-long mass.
The Duke of Cambridge has joked about how Malta would not "survive" a visit by Prince George, as he joined the country for celebrations marking the 50th anniversary of its independence.
William was a last minute replacement for his pregnant wife Kate, forced to withdraw with severe morning sickness.
When the Maltese President Marie-Louise Coleiro Preca asked the Prince about bringing his young son next, the second-in-line to the throne quipped: "Malta may not survive baby George".
Hinting at the damage his 13-month-old son could wreak he looked around the lavishly decorated room and said "there's a lot of precious things here".
The Duke of Cambridge is set to visit Malta today as the country celebrates the 50th anniversary of their independence.
William is taking the place of his pregnant wife Kate who was forced to cancel her first official solo overseas tour due to a severe form of morning sickness.
The Duke will meet with Malta's president and prime minister, before visiting the national library and watching a historical re-enactment.
He is then expected to give a speech and attend a fireworks display.
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Prince Harry turns 30 today, reaching a landmark age after a turbulent childhood, some controversial gaffs and a successful army career.
The Prince has plenty to celebrate - his Invictus Games for injured servicemen and women has been hailed a success.
He also won the respect of the public by serving in Afghanistan, successful international tours and his charity work.
Harry will inherit an estimated £10.7 million from his late mother's estate, which a financial planning expert believed could "support him and a future family for generations".
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The Queen has urged Scottish voters to "think very carefully" before casting their ballots in Thursday's referendum.
She was heard making the off-camera remarks to members of the public during a visit to Crathie Church in Aberdeenshire.
The Telegraph newspaper said it understood the monarch had told the small crowd:
You have an important vote on Thursday.
I hope everybody thinks very carefully about the referendum this week.
It is thought to be her first public comment on the issue of Scottish independence.
Prince Harry says he wants to take his Invictus Games out of London and give the rest of the country a taste of its warrior spirit.
The international sporting event for wounded servicemen and women comes to an end on Sunday after five days of competition and Prince Harry said next time it could be staged in the north of England or Scotland before being taken abroad.
"We've now got America showing interest in 2016 and Canada showing interest in 2017, so the question is what do we do next year? I personally would love to keep it in the UK, maybe head north whether it be Glasgow, whether it be Sheffield, whether it be Manchester."