League of Legends client open beta client downloader 1.0 - Mac

Author: Riot Games

Get ready for a fast-paced competitive online game that will test both your skill and mind. Become a powerful Summoner and call forth brave Champions to fight on your behalf on the Fields of Justice. Choose from over 75 unique Champions and battle it out in 5v5 or 3v3 combat in a unique and visually stylized world. Prepare to experience the best elements of session-based games combined with persistent elements of MMORPG's. Play the game for free today!

Read more about the game, and sign-up for an account here.