Crossdressing Voices: Dogen, Mills, Maloof, J.T., Quentin, Vernon, Elton, and Little Olly all had female voice actors (several of whose voice actors also voiced other, female characters).
Yet again AND King Flippy for Aquaria Towers of Spyro 2. Listen to it and tell me it's not Boyd.
Orphaned Reference: Primal memories are a special reward for collecting all emotional baggage within one world, and show concept art pertaining to said world.
What Could Have Been: The concept art for Gloria's Theatre shows much more detail than the actual level.
Waterloo World originally had a small, functioning strategy game that would be played rather than the comparatively simple missions you're given, but it was taken out because it was boring.
Apparently Dreamscape served as an inspiration for the game.