The game was inspired by descriptions Purho had heard of the children's book Harold and the Purple Crayon.
Deep Purple | Harold Pinter | Harold Wilson | Purple Heart | Harold Macmillan | Harold Bloom | Harold Godwinson | Harold Lloyd | Harold Stassen | Harold Prince | The Color Purple | Purple Rain | J. Harold Ellens | Harold Holt | Sir Harold Hillier Gardens | Harold Washington | Harold Hitz Burton | Harold Alexander, 1st Earl Alexander of Tunis | Harold Peto | Harold & Kumar Go to White Castle | Harold Arlen | Harold | Harold Budd | The Color Purple (film) | Harold Eugene Edgerton | Harold Bauer | Purple Hairstreak | Harold von Schmidt | Harold Robbins | Harold Laski |