Simplify the following text for a Grade 9 native English-speaking person.
Original: Trauma Center : Second Opinion known as Caduceus Z : Two Super Surgical Operations in Japan , is the second game in the Trauma Center series .
Simplified: Trauma Center : Second Opinion , known in Japan as Trauma Center : Second Opinion , is a medical simulation video game made by Atlus for the Wii game console . It 's the second game in the Trauma Center series , and a remake of Trauma Center : Under the Knife for the Nintendo DS .