Angry Birds Space has achieved 10 million downloads over the weekend. The company Tweeted the news this morning.

They have not said how many of those downloads reflect the free version, which is available for Android devices.

The game has been given good reviews so far, earning a Metacritic score of 84. People are touting the realistic physics, making it one of the more enjoyable aspects of the game.

“Space” was developed in collaboration with NASA through a Space Act Agreement. The agreement is a win-win for both companies. NASA gets the opportunity to educate more people in a fun way about some of the properties of gravity, zero-gravity and microgravity. Rovio gets to cite collaboration with NASA when advertising the realism their gameplay.

For fans that can’t get enough of the franchise, Rovio has also announced an update for Angry Birds Rio, featuring 12 new levels.

And what would the Angry Birds be without merchandising. Plush toys of all the new Angry Birds Space characters are now available for pre-order.