If you want to spend 3,000 hours damaging your mental health with stress, rage and feelings of inadequacy, then Dota is the game for you but first read this please.......
According to the U.S. Foreign Service Institute, it takes approximately 1,300 hours to acquire advanced proficiency in Japanese language.
It would take approximately 3,060 hours of studying to finish university and receive a major.
According to The National Jurist, it takes about 400 to 600 hours to prepare for the bar exam (passing which makes you a lawyer).
It requires near 52 hours to read Leo Tolstoy's "War and Peace" and "Anna Karenina" both.
The Department of Health and Human Services of the USA recommends an average adult to do roughly 125 hours of sports a year to stay healthy...
***

You get the point. Don't even freaking think of playing this.