Taste of Chaos | Perfect Records | Warcraft III: Reign of Chaos | Chaos A.D. | Chaos | Chaos Communication Congress | A Perfect Murder | Perfect Dark Zero | Perfect 10 | Chaos (TV series) | Chaos theory | Chaos Computer Club | chaos | Pixel Perfect | Perfect World | Perfect Sound Forever | Perfect Scoundrels | Matt Cain's perfect game | I Love You, You're Perfect, Now Change | Hideous and Perfect | Dead Solid Perfect | Chaos War | chaos theory | Angus, Thongs and Perfect Snogging | U.S. Chaos | The Perfect Stranger | The Perfect Prescription | Roy Halladay's perfect game | Praxis Makes Perfect | Pitch Perfect |
"Open Your Heart" is the main theme of Sonic Adventure, and also the song played in the first stage of the battle against Perfect Chaos.