Rockstar is the developer behind the Grand Theft Auto and Red Dead Redemption series. It specialises in rich open worlds with living and breathing cities to immerse yourself in. Using its own proprietary tools such as the RAGE Engine, Rockstar's in-game physics systems are second to none, and the developer always pushes to add immense detail to each of its titles. The company has studios in the UK and the US. Its parent company is Take-Two.