Complex sentence: Igarashi began working on a Castlevania game set for the Sega 32X however, the game was cancelled because Konami shifted its focus away from the 32X and towards the PlayStation.
Split into simpler sentences: Igarashi began working on a "Castlevania" game set for the Sega 32X. However, the game was cancelled because Konami shifted its focus away from the 32X and towards the PlayStation.