Due to its high difficulty in getting started, Dota 2 has very few new players. But it is still one of the most popular MOBA games today. If you want to try it out, it's better to find an experienced player to carry you.
Dota 2 was developed by Valve. So it's very likely that there won't be Dota 3 in the future. It is based on a map from Warcraft 3 called Defender of the Ancient. Dota is its abbreviation. Dota 2 was nominated for Esports Game of the Year between 2015 and 2019.
In the game, a game will match ten players with similar technical levels according to rank, two teams each have five players, representing Radiant and Dire respectively. The two teams compete in a high-altitude perspective to destroy the ancient ruins in the opposite fortress. During the confrontation on the game map, players will control one of more than a hundred heroes in the list, each hero has its unique skills and expertise, bringing players a rich gaming experience.