Digging into DotA2: bigger, bolder, more addictive than ever

DotA or Defense of the Ancients was first created using a Warcraft III: Reign of Chaos world editor, this allowed anyone who owned the game to create their own map. With the editor, you had access to all the games units and buildings, and could change almost all properties of that unit or building such as damage, speed, armour, set waypoints and so on. You could also manipulate the landscape by adding rivers, cliffs and trees. These functions of the world editor are what made DotA a dynamic and eventually balanced mod, because updating the map was easy and could be done ad hoc.

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