DRL Racing Simulator is described as 'The official simulator for the Drone Racing League, DRL Racing Simulator is designed to turn rookies into pilots. Featuring real courses with high end visuals and real competition scoring, along with highly customizable drones, it's built for real world training'. There are seven games similar to DRL Racing Simulator for a variety of platforms, including Windows, Mac, Android Tablet, Linux and Android. The best alternative is HELI-X, which is free. Other DRL Racing Simulator like games are Sky Viper Flight Simulator (Free), Quadcopter FX Simulator (Paid), FPV Freerider (Paid) and AirSim (Free, Open Source).
HELI-X is a professional R/C helicopter and multi-copter flight simulator. FEATURES Best possible real-time physics based on modern mathematical methods. Availability for Windows, Mac-OS X and Linux. Many training scenarios so that your practice makes fun.
FPV Freerider is an RC Quadcopter Racing Simulator. FEATURES Features LOS (line of sight) and FPV (first person view) flying. Includes self-leveling and acro mode. 3D flight mode (negative thrust/inverted flying) is also available in the full version.