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The last item on our list isn't a gadget, but rather, an active, in-development indie game that combines Super Mario Bros. with Portal. Honestly, you just have to see it for yourself to grasp the magnitude of awesomeness it is comprised of. Unfortunately, there's no release date set as of yet, but the developers keep fairly consistent updates on their blog. This will be a must for those of you interested in a product combining 8-bit gaming with mechanics from a modern-day masterpiece!