The creation, dubbed "Pdftris" by its maker Thomas Rinsma, lets you play the addictive falling blocks puzzler with just a ...

A little fiddling later and a game of Tetris was revealed. If you press the Print/Utility button on the 54600B oscilloscope, followed by pressing the second and third button below the screen at ...

Now, ' PDFTris ' has been released, which allows you to play ... screen. You can check out how it's actually played in the video below. When you actually play it, it's a completely normal Tetris ...

Taking this to the extreme, [numeric] abused the user-defined characters to write a tiny game of Tetris that would run in the 10×16 frame that you get when you combine four characters together.