DOTA 2 is a multiplayer online battle arena game with a huge cult following and world championship events with a prize pool of over 20 million dollars.

DOTA2 是一个多人在线竞技游戏，它拥有一大堆忠实拥趸、每年一度的世界冠军赛以及一项总奖金池超过2000万美元的世界邀请赛。

In the meantime, as we know, Open AI is also working on DOTA with remarkable results, and there's lots of discussion whether a DOTA 5 versus 5 or a Starcraft 2 1 versus 1 game is more complex for the AI to learn.

同时我们也了解到 OpenAI 在 DOTA AI 研究中也取得了令人瞩目的成果，有关 DOTA 5V5 对战和星际2 1V1对战哪个对 AI 来说更复杂，也有很多的讨论。