Thank You for Playing[1] is an American documentary film, produced and directed by Malika Zouhali-Worrall and David Osit.

The film follows the development of the video game That Dragon, Cancer, which tells the story of Ryan and Amy Green raising their son Joel who has been diagnosed with cancer.

Thank You for Playing premiered on April 17, 2015 at the Tribeca Film Festival.

[2] The film has been praised by video game publication Unwinnable, which called it "the most important videogame movie ever made.

"[3] In his review for The Hollywood Reporter Justin Lowe said "By turns touching, funny and sometimes strangely existential, David Osit and Malika Zouhali-Worrall’s documentary, destined for broadcast on public television’s POV program next year, succeeds in telling a highly personal story in a surprisingly relatable manner.