If you're bored at work and want an excuse to get busy Screentendo could be the answer.

The app allows you to transform any website into a playable level of the iconic 80s Nintendo classic Mario Bros.

And its creator has published step-by-step instructions to convert the pages to blocks - but it requires a certain level of coding expertise to use.

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A developer based in London has created Super Mario code for Macs. Screentendo is an application that lets you to transform websites into blocks.' Mario can then be controlled around the stage, just like in the game. However it requires a little bit of coding to enable the feature. Screentendo created the MailOnline logo.

Screentendo was built by a London-based developer Aaron Randall.

Drag a window across a webpage to transform various components into blocks from Super Mario games.

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Mario himself then appears, allowing players to move around the level and destroy the blocks.

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The list includes arcade pioneers Pong and Space Invaders, smartphone favourites Angry Birds and Minecraft and a variety of other games for consoles and computers.

They are: Doom, FIFA soccer the Legend of Zelda, the Oregon Trail, Pac-Man, Pokemon The Sims, Sonic the Hedgehog, Super Mario Bros, Tetris and World of Warcraft.

To be able to utilize it, you'll need to be able to alter source code using an application called CocoaPods.

"When Screentendo is activated, a semi-transparent screen appears, which can be moved and resized over other windows of other applications the developer explained on his website.

When you place the Screentendo window over a specific area of the screen, a click inside the window will cause the application to render an appropriate game level based on the content below it.'

Mr Randall told MailOnline that he created the app in a few days'.

He claimed that the most difficult aspect of the app was the image processing. This required making the app be able to recognize any type of image , and the structure behind it to be able to generate a level.

He stated that it can be used on any website , but it is most effective on websites with high contrast.

Screentendo is an early Super Mario Bros. screenshot depicted. Screentendo is currently only available for Macs. The code can be downloaded from GitHub. Mr. Randall notes the app is very much an experimental hack currently, and has a few shortcomings

Randall said that he built it out of his passion for building things and especially smaller projects such as this.

He added: 'It's an excellent opportunity to learn new frameworks and languages, and try to solve some intriguing problems that you would not normally work on.

"The idea came out of a conversation with a friend from work. He spends a lot of time staring at graphs that monitor our servers. I suggested that I'd create an application that overlays those graphs to make them more interesting.

Mr Randall told MailOnline that he created the software in a matter of days. He claimed that the most challenging part of the software was image processing. It was about making the app understand how to take any kind of image, and the structure that it is based on in order to to generate a level.

"A couple of weeks later we had a hackday in my office (where everyone works on whatever they like), and I put together something that later evolved into Screentendo.

He has stated on his website that the app is a proof of concept hack but still has some flaws.

And he said the phyiscs were not perfect, as he just aimed to design something that could function "well enough".

Continue reading:

AaronRandall/Screentendo * GitHub

Screentendo | Aaron Randall