U.D.O. released the following albums including Animal House (2001), Wrong Side of Midnight (2007), Mastercuter (Special Edition) (2 Bonus Tracks) (2007) and Mastorcutor (2007).
- Animal House
- Go Back to Hell
- They Want War
- Black Widow
- In the Darkness
- Lay Down the Law
- We Want It Loud
- Hot Tonight
- Warrior
- Coming Home
- Run for Cover
- Wrong Side Of Midnight (Single Version)
- Streets Of Sin (Non Album Bonus Track)
- Man A King Ruler (Non Album Bonus Track)
- Cry Soldier Cry (Russian Version)
- Mastercutor
- The Wrong Side Of Midnight
- The Instigator
- One Lone Voice
- We Do - For You
- Walker Of The Dark
- Master Of Disaster
- Tears Of A Clown
- Vendetta
- The Devil Walks Alone
- Dead Mans Eyes
- Crash Bang Crash
- Borderline (Bonus Track)
- Screaming Eagles (Bonus Track)
Mastorcutor
Jun 2007
- Instigator
- Devil Walks Alone