DOTA2 (Knife Tower 2) is a MOBA game jointly developed by IceFrog, the core map maker of DOTA, and Valve Company of the United States. On July 9th, 20 13, Chinese mainland was operated by Perfect World.
The game world is composed of the areas under the jurisdiction of Tianhuiying and Yeyanying, which are connected by the upper, middle and lower roads and bounded by rivers. Each camp is guarded by heroes played by five players. The task is to protect their own ancient relics and destroy the enemy's ancient relics, and win by upgrading the level, making money, buying equipment and killing enemy heroes.
On September 8th, 20021,OCA officially announced that dota2 was selected as the e-sports event of Hangzhou Asian Games in 2022.