- We Hate All Kinds Of Violence (1996)
Tracklist:
- Candy
- 널 사랑한 만큼 [As Much As I Loved You]
- 전사의 후예(폭력시대) (Warrior’s Descendant)
- Your Image in the Sunset
- When You Need Me
- 오늘도 짜증나는 날이네 [Another Bad Day]
- You’re Fast I’m Slow
- 개성시대 [The Age of Uniqueness]
- About 여자 [About Women]
- Wolf and Sheep (1997)
Tracklist:
- Go! H.O.T!
- 늑대와 양 (Wolf and Sheep)
- 자유롭게 날 수 있도록 (Free to Fly)
- We Are the Future
- 행복 (Full of Happiness)
- 열등감 (The End of My Inferiority Complex)
- 열 두 번째 생일 (Lost My 12th Birthday)
- Tragedy
- 너와 나 (You and I)
- Resurrection (1998)
Tracklist:
- 빛 (Hope)
- 열맞춰! (Line Up!)
- 투혼 (The Spirit of Fighter)
- 우리들의 맹세 (The Promise of H.O.T)
- H.O.T. (House of Trust)
- In I (이세상에 버려진 모든 아이들을 위하여)
- Monade
- Techno Love
- You Got Gun?
- 소년이여 신화가 되어라 (Boys, Be a Legend!)
- 홀로서기 (All Alone)
- 후에 (Since You’ve Gone)
- 하나라는 아름다운 느낌 [To Be One, Such a Wonderful Feeling]
- Wedding Christmas (X-mas Bonus track)
- Iyah! (1999)
Tracklist:
- 투지 (Git It Up)
- Talk 1
- Talk 2
- I-Yah!
- Talk 3
- The Way That You Like Me
- 나의 너 (My Girl)
- 8.15 (제 2의 독립을 위하여)
- Talk 4
- Korean Pride
- Talk 5
- Do or Die
- Talk 6
- 축복 (Celebrate)
- Talk 7
- 영혼 (Soul)
- Talk 8
- Pu Ha Ha
- Talk 9
- 환희 (It’s Been Raining Since You Left Me)
- Talk 10
- 다시 시작해 (Forever Song)
- Talk 11
- 고마워, 미안해 (Together Forever)
- Outside Castle (2000)
Tracklist:
- Outside Castle (The Castle Outsiders)
- 신비 (Delight)[Mystic]
- 그래 그렇게! (We Can Do It!)
- My Mother
- 꿈의 기도 (Pray for You) [A Prayer within a Dream]
- 파랑새의 소원 (Wish of a Blue Bird)
- Time Will Tell
- One Last Love
- Good-bye 이젠 (Good-bye for the Last)
- For 연가 (A Song for Lady)
- Illusion
- Natural Born Killer
- 버려진 아이들 (Abandoned Children)
- 널 지금 처럼 (Always My Love)
- Greatest Hits – Age of Peace OST (2001)
Tracklist:
- Age of Peace (Instrumental)
- OP.T (Operation Takeover)
- OP.T #1
- OP.T #2 – ‘Zeus’
- The Best
- TTTrack #1 (Techno Time Track #1)
- TTTrack #2 (Techno Time Track #2)
- OP.T – Concert Scene
- OP.T (Instrumental)
- The Best (Instrumental)