What's the best thing about St Patrick's Day? The Guinness? The craic around the Dublin pubs? The parties? The festivals around the world with their parades, floats and marching bands?

To be sure, to be sure… we're not sure. What we are sure about is that we've added to the fun, merriment and general craic of the whole affair, with iPubquiz St Patrick's Day. It's a pub-quiz-style iPhone app that draws on St Patrick's Day for its questions.

You don't need to be as Irish as Paddy's pig to enjoy iPubquiz St Patrick's Day. You don't even need to play it on St Patrick's Day (although it's available for download only in March, so best get your skates on).

What you do need to have is a love of great, timewasting iPhone app games from the innovative and trusted SunCat Software brand. We're the ones who took the top-selling iPubquiz into the top ten on Apple's iTunes Games/Trivia category faster than an Irish rugby team at last orders.

The graphics are as high-quality as a stag weekend in Dublin, the game's as intuitive as kissing the Blarney Stone, and it's all free, free, free. That's right – you can download iPubquiz St Patrick's Day for the same price as a walk up the Cliffs of Moher. With half the sweat.

OK, let's explore more. To get going on iPubquiz St Patrick's Day, pour a pint of the black stuff (optional), settle back and tap Play. In which century was St Patrick said to have been born? Which US city has the largest Irish population?

Get those answers right and you'll bag 500 points. Choose 50:50 if you're struggling or 'Pass' to ditch the question in the Irish Sea. Enter your score and see where you sit on the global leaderboard.

iPubquiz St Patrick's Day is the unique new way to celebrate Ireland's greatest day. It won't give you a hangover. And it's all for free. Download iPubquiz St Patrick's Day today.