In response, EA Sports backed the campaign and allowed FIFA 17 players to obtain a free rainbow-colored kit (pictures) in-play.
This is what prompted Russian parliamentarians to raise questions about the legality of the game since the passing of legislation in 2013 that outlaws "gay propaganda".
They have asked consumer protection and communications oversight agencies to launch a probe into the game, with some suggestions that it may even be illegal in the country. Irina Rodnina, MP for the United Russia party, said that authorities need to "verify the possibility of distributing this game on the territory of the Russian Federation."
Others have suggested that an age-rating change may be required.
Read more at The Guardian.