Here is the first of many posts about LoL (league of legends if you didn't already figure that out). Anyway, this game is made by some of the same people who made DotA (Defence of the Ancients) which was originally made on Warcraft 3. The Warcraft 3 engine had limited what was available, hero-wise, and so after a while League of Legends was created by Riot Games. Riot Games got all of DotA's original creators to create LoL.
Anyways, I started playing this a while ago, and I absolutely love it! The graphics suite the gameplay, which is amazing. This game has so much re-playable value, and the fact that there aren't any other games out there that are like this (Apart from DotA and Heroes Of Newerth) make this game really unique, and fun. I urge you all to check out their website and have a go at it. Oh, and best of all, it's absolutely free!