Listen to the sound clip 5. Ha! Ha! from The Scheme (OPNA) ザ・スキーム - Video Game Music: 5. Ha! Ha! 5. Ha! Ha! This sound is from The Scheme (OPNA) ザ・スキーム - Video Game Music Video game music from The Scheme (OPNA) ザ・スキーム for PC-88. Published by Bothtec (1988). Go to the full soundboardwith more sound clips Search