One thing you can use is Gunnar glasses that will reduce eye fatigue and lower the blue light you see, allowing you to see better as you play as Ali Sami Farooq . Gunnar glasses come in a variety of colors and styles, but you can find a pair for about $50-100. Many professional players use gunnar glasses and some are even sponsored by them Another accessory you can use for controllers is Kontrol Freek lever extenders. Kontrol Freek accessories will allow you to better control your game without increasing sensitivity in high settings. They're also quite cheap, ranging from $10-20. Professional players also use Kontrol Freek lever extenders, which can also be used with PS3 or Xbox controllers. If you're playing a first-person or third-person shooter, there are a few tips to help you do better in a firefight, especially online. Movement is a great way to avoid being hit during a firefight. By movement I mean: running, crouching, "diving with dolphins" and looking for...