The game launched March 22, 2012.
Angry Birds Space has racked up 100 million downloads since its launch on March 22, Rovio has announced.
As of April 30, 2012 Angry Birds Space had achieved 50 million downloads across iOS, Android, PC and Mac.
Angry Birds Space is available for 69p on the App Store and is free (ad-supported) for Android.
It's not known how many paid purchases have been made.