Kill 10 cows without illegals
Kill 100 cows without illegals
Kill 250 cows without illegals
Kill 500 cows without illegals
Kill 750 cows without illegals
Kill 1000 cows without illegals
Kill 1500 cows without illegals
Kill 3000 cows without illegals
Kill 5000 cows without illegals
Kill 10000 cows without illegals