Grand Theft Auto: San Andreas is a sandbox-style action-adventure computer and video game developed by Rockstar North in Scotland. It is the third 3D game in the Grand Theft Auto video game franchise, the fifth original console release and eighth game overall. The game is set in the fictional state of San Andreas, which is based on Nevada, California, and Arizona, comprising three metropolitan cities: Los Santos, based on Los Angeles, San Fierro, based on San Francisco and Las Venturas, based on Las Vegas, with deserts, rivers, forests and a mountain separating the cities.