Atelier 801 is an independent game development company founded in October 2011 by Mélanie Christin and Jean-Baptiste Le Marchand. Their goal : bring players together, from all over the world, around fun multiplayer games. Based in Marcq en Baroeul, France, Atelier 801 is well-known for their breakout hit Transformice, a hugely successful MMO platformer with over 80 million players globally.