However, as posted on the developer's blog, the magic number at time of writing was 3,881,634, with the game having sold more than 1.8 million copies since January 2010, when it passed the 2 million mark.
Soaring sales
"Apple has released a list of the all-time top paid iPhone apps, and we're very excited to see Flight Control on the list in many countries around the world," the firm said on its site.
"In what's starting to become a bit of a tradition, we thought it would be interesting to share some more of our sales data."
A break down of said sales reveals Flight Control has enjoyed most success in the US, followed by Great Britain, then Australia, Germany and Canada.

Aside from typical seasonal shifts, the game also received a major spike in sales following the launch of Game Center multiplayer, with downloads topping 100,000 in September 2010.

Flight Control's monthly sales averaged out at around 156,000 in 2010, down from 200,000 a month in the game's first year.
[source: Firemint]