Ukraine has rolled out a video game-style rewards system for its drone pilots, giving them new weapons and upgrades for every successful kill against Russian invaders, according to a new report. The “Army of Drones Bonus System” has skyrocketed in popularity among Ukraine’s UAV pilots as about 400 units are now taking part in the competition on who can take out the most Russian soldiers, Ukrainian officials told The Guardian . More than 18,000 Russian fighters were killed in September by