To earn a Special: (a) hit numbers 1 to 11, (b) complete toplanes, (c) collect a enough single points or (d) reach a certain score.
Completing the numbers 1 to 11 (with center toplane, slings and bottom bumpers) lights the outer side rollovers for two Specials.
It's critical to nudge when playing woodrails, but remember that tilt ends game.