Ninja Kiwi is a mobile and online video game developer founded in Auckland, New Zealand in 2006 by brothers Chris and Stephen Harris.[3] Ninja Kiwi's first game was a browser based game called Cash Sprint, developed on the Adobe Flash Platform. Since then, they have produced more than 60 games across platforms including Adobe Flash, Android, iOS, PlayStation Portable, Nintendo DS, and most recently, Steam. Their most well known titles are the Bloons and Bloons TD games. In 2012, Ninja Kiwi purchased Dundee, Scotland based developer, Digital Goldfish, for an undisclosed sum.