tanks

program

 13 random
 2dup 0 = { 70 70 set-speed! } if
 3dup 1 = { 40 70 set-speed! } if
 4    2 = { 70 40 set-speed! } if 
 5get-turret 20 - set-turret!
 6
 73 sensor? { 0 0 set-speed! } if
 81 sensor? { get-turret 60 + set-turret! } if
 92 sensor? { get-turret 60 - set-turret! } if
100 sensor? { fire! } if