Super Mario Run has had something of a mixed reception since it launched; 50 million downloads would suggest that the game has been an overwhelming success, but a few negative App Store reviews and investor niggles have soured the release a little.
On the plus side, it always helps when one of the most influential creative minds in the industry gives your game the thumbs up, and that's exactly what has happened with Naughty Dog Creative Director Neil Druckmann. Druckmann has been heavily involved with Uncharted and The Last of Us series - two of the most critically-acclaimed franchises of the past decade - but it would seem that he's been spending a lot of his time glued to his iPhone:
Druckmann has also collected every single pink, purple and black coin in the game, which is quite an achievement. It's a wonder he gets any work done at all.