Simplify the following text for a Grade 8 native English-speaking person.
Original: Castlevania : Dawn of Sorrow is an action-adventure video game made by Konami for the Nintendo DS handheld game console . It 's the sequel to Castlevania : Aria of Sorrow for the Game Boy Advance and stars Soma Cruz .
Simplified: Dawn of Sorrow is set in the fictional universe of the Castlevania series .