Complex sentence: Although the game was canceled, rumors of it being brought back into development are common within certain circles of gamers, including a persistent rumor that it will be developed into a next-gen version of Kid Icarus.
Split into simpler sentences: Although the game was canceled, rumors of it being brought back into development are common within certain circles of gamers. One persistent rumor is that it will be developed into a next-gen version of Kid Icarus.