Tetris Battle continues its torrid growth as February begins.

According to social games industry tracking site AppData, Tetris Battle has now passed the 13 million monthly user mark. Tetris Battle also hit 4 million daily active users on Feb. 5, AppData reported.

As of February 6, only 11 games playable on Facebook had user bases of more than 13 million monthly unique users.

Tetris Battle’s developer and publisher Tetris Online, Inc. has shown considerable growth over the last 30 days across all its social game applications. According to AppData, the company now has more than 14.2 million users playing its games each month, a 64% increase over the previous 30 days. Tetris Online has also seen a 60% increase in the number of users playing the company’s games on a daily basis. AppData lists Tetris Online as the No. 5 games developer on Facebook in terms of daily active users.

Play Tetris Battle today and see why it’s one of the fastest growing games on Facebook.