Screentendo, a desktop application, will turn a selection of your computer screen into a playable Super Mario Bros. level.

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Aaron Randall, a software developer from London, recently showcased what his Mac app can do with Mario bouncing around a Google logo made of brick blocks.Launching Screentendo opens a semi-transparent window which can be moved and resized. Clicking inside the window causes the app to take a screen capture, and then, Super Mario-fy it with brick blocks, clouds, and, of course, Mario.Randall created Screentendo using Cocoa and Sprite Kit. He’s made the source code available on Github , but OSx and CocoaPods are needed to use it, which can downloaded here . This is not compatible with Windows platforms.Randall goes into more depth about the inner workings of his unique Super Mario Bros. level generator on his blog . "There are two basic steps to Screentendo," Randall writes, "image processing to determine the structure of the target region, and the level generation."Using a variety of filters, images are converted into a format that can be used to render a game level. Screen captures are simplified into a black and white image. This is then arranged into blocks which creates the array needed for the Super Mario transformation.“This app is a proof-of-concept hack, and has a few shortcomings,” continues Randall. “Image processing is currently really, really slow – sub-blocking the image takes a long time. The current implementation also requires a reasonably distinct contrast in the underlying image for the block detection to work.”Therefore, something like the Google logo with it's colorful letters contrasting against a white background is ideal for Screentendo.Randall makes further note that the physics are off. Still, it's a blast to have Mario breaking apart the IGN logo with his head. Imagine if we could Screentendo this Mario-themed apartment

Erich Schuler is a freelance writer for IGN in Japan. When he's not doing plumbing in the Mushroom Kingdom or Hyrule grass cutting services, he's tweeting on Twitter