Limbo developer Playdead has confirmed that its black and while platform puzzler has sold a million copies across Xbox Live Arcade, PSN and PC.
The studio is so pleased with the result, that it's also confirmed its independent and announced a fourth platform for the game, Mac OS.
"With the success that LIMBO has achieved, we felt this was the ideal time to fully regain our independence," said Playdead CEO, Dino Patti.
"We are grateful to everyone who supported us over the past few years, and look forward to forging new partnerships that will both let us reach new heights as a studio and give our director, Arnt Jensen, room to grow creatively."
The Mac version will arrive "before the end of the year".