Finally, DotA 2 is now officially announced! As the Game Informer mentioned, the game will be released next year on both PC and Mac platform.
Dota 2 takes its name from the Warcraft III mod Defense of the Ancients, a drastic change to that stock real-time strategy title, which pits two teams of five players against each other in highly competitive, 40-minute or longer matches. DotA has each player controlling a single hero who levels up and stockpiles gold to purchase powerful equipment and consumables. As computer-controlled armies continually spawn and rush the enemy's base, players are responsible for using their powerful heroes to turn the tide of the battle in their favor.
IceFrog (the current DotA map developer on Warcraft III) is hired by Valve in 2009. Since then, many people starts wondering what kind of game they are working on. And as the curtain revealed, it appears they are bringing the DotA map into a full game based on the Valve's Source engine. That's mean many of the game limitation on Warcraft III is lifted. And with that, some new features are also introduced on the DotA 2.