A bonus episode from Good Bad Billionaire - the award-winning podcast from the BBC World Service. You can find more episodes by searching for ‘Good Bad Billionaire’ wherever you get your BBC podcasts.

Minecraft is the most successful computer game ever. It's sold 300 million copies, built an active community of fans and there's now even a Minecraft movie. So how did one man - Markus Persson - create it all by himself, before selling it for billions?

BBC business editor Simon Jack and journalist Zing Tsjeng find out how a high school dropout, obsessed with Lego and gaming, became a computer game hero. The Swedish programmer, known by the nickname Notch, built a virtual 3D world where, with the help of a pickaxe, players could harness their creativity to build almost anything, one block at a time. Persson founded the video game development company Mojang Studios, before selling it to Microsoft, but then came a spectacular downfall.

Good Bad Billionaire is the podcast exploring the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility, before inviting you to make up your own mind: are they good, bad or just another billionaire?