Luigi's Mansion: Dark Moon has never been released for PC, so it has no PC system requirements. It came out on Nintendo 3DS. Released in 2013.
There is no emulator for Nintendo 3DS that this site will point you at.
Platforms: Nintendo 3DS.
System requirements for the game Luigi's Mansion
System requirements for the game Grand Theft Auto 5
System requirements for the game The Witcher 3: Wild Hunt
System requirements for the game Portal
System requirements for the game Tomb Raider
System requirements for the game Left 4 Dead 2
System requirements for the game Red Dead Redemption 2
System requirements for the game The Elder Scrolls V: Skyrim
