Today we’re announcing that Dota 2 will be free to play, and contain an in-game store where you’ll be able to buy fancy gear to customize your heroes. From the forum threads we’ve read over the months since The International, it’s pretty clear that this won’t come as much of a surprise to anyone out there. There are a variety of smaller details that we’ve decided to put together a FAQ to help with, but we wanted to address the two most common concerns right away:

Dota 2 will not be a pay-to-win game. All the items in the store are cosmetic, and don’t affect gameplay.
All of the heroes will be available free of charge. We believe restricting player access to heroes could be destructive to game design, so it’s something we plan to avoid.
We’re really excited about this. As we’ve explored cosmetic customization for heroes, we’ve been finding that we can use it to broaden our lore, and expand on the characters. We’ve received a lot of positive responses to the unique hero voices in the game, and the window they give you into each hero’s personality. We think this will be another avenue where we can expand in that direction. Here you can see some examples: