Listen to the sound clip 18. Triangle from Outtrigger OST - Video Game Music: 18. Triangle 18. Triangle This sound is from Outtrigger OST - Video Game Music Video game music from Outtrigger OST for Arcade, Dreamcast. Published by Sega, Sega Europe Limited, SEGA of America, Inc. (2000). Go to the full soundboardwith more sound clips Search