Following in the vein of this question, I am having trouble with the Trainyard level "Three Below" (located under Bonus Levels, in Toronto). Many of my attempts end up with the Blue trains 1 square ...
I've been playing Trainyard on my iPhone. I'm having fun. But I've reached A Barrel Roll and I'm not getting past it. I can get the cars down to two purple and two green but I don't have enough ...