Valve has announced its internally created documentary film Free to Play, which takes a look at the lives of three professional Dota 2 players, will debut on Steam March 19. A public screening and live Q&A session will also occur on March 18 at the Castro Theater in San Francsico, CA. Seating is limited and tickets are on sale here. After the film is released, Dota 2 platers can purchase the Free to Play Competitor Pack, which will be available through the Dota 2 store and Steam. It contains an in-game courier, a special ward, and a custom HUD skin and a portion of each purchase will go toward the players featured in the film. Dota 2 is one of the most played online games with over 7 million active monthly players. A preview trailer is below.