Custom Mode
Pick a difficult how many x times Impossible you want to set for your challange of the map.
By enter digit 10, 20, 30 or 50 .etc is diffecult times impossible, x100 is max.
( x30 = 3 times impossible )
Its possible to finish the map with all difficult, include x100, its no point to make a map with a level you cant finish,
Good Luck n Have Fun.