Since there are more than 110 million Nintendo GameBoys in the world, all of which feature a dinky little LCD screen and an exasperating lack of backlighting, Nyko carves a humongous niche for itself as purveyors of the Zoom Light.
Essentially a removable magnifying glass that sits atop the GBC's diminutive screen, Zoom light enlarges the view by 50%, clearly and thankfully. It also features a patented "Super White Light" for gloomy playing conditions. Better yet, this luminescent "Mr. Magoo" of portable peripherals doesn't require separate batteries as it draws directly from the GBC's power source via the link-cable port. Said plug also features a pass-thru so you can light it up and link it up with another GBC (or other GBC devices) simultaneously.