Demogorgons appear as enemies in Progress Quest, though often with various prefixes and suffixes to denote how strong they are.
Works Progress Administration | Progress Party (Norway) | Progress Party | The Pilgrim's Progress | Committee of Union and Progress | A Rake's Progress | Quest for Camelot | Jonny Quest | Century of Progress | Richard Quest | Pilgrim's Progress | Vision Quest | Quest Software | Quest | Progress Energy Inc | Party for Freedom and Progress | Legend Quest | King's Quest | Jonny's Golden Quest | Great Canadian Song Quest | The Rake's Progress | Space Quest | Quest Kodiak | Quest For Camelot | quest | Olympic Gold Quest | King's Quest VI | Dragon Quest: Dai no DaibÅken | Dragon Quest | Center for American Progress |