This is a remake of the original killstreak game have fun :)
killstreak: 0, 5, 10, 25, 50, 75, 100, 150, 200, 250, 350, 500, 666, 777, 900, 1000, 1250, 1450, 1666, 1777, 2000, 2250, 2777, 3500, 4000, 4500, 5000, 6666, 7777, 9000, 10000