Note: Tracks to check out in bold.

"Animal House" track listing: 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. Bonus: Animal House (Live), They Want War (Live), In The Darkness (Live), They Want War (Video), Go Back To Hell (Video).

Comments: These songs were intended to be on the next Accept album and are all co-written with the team of Dirkschneider, Hoffman, Baltes, Kaufman, Fisher, Deafy. Musicians on ‘Lay Down The Law’ features a collaboration with the members of Accept.

"Mean Machine" track listing: Don't Look Back, Break The Rules, We're History, Painted Love, Mean Machine, Dirty Boys, Streets On Fire, Lost Passion, Sweet Little Child, Catch My Fall, Still In Love With You (Instrumental). Bonus: Break The Rules (Live), Break The Rules (Video).

Comments: First album current Accept drummer (“Death Row” in 1994, “Blood Of The Nations”, “Stalingrad”) Stefan Schwarzmann appears, he continues to perform on the following five U.D.O. albums.

"Faceless World" track listing: Heart Of Gold, Blitz Of Lightning, System Of Life, Faceless World, Stranger, Restricted Area, Living On A Frontline, Trip To Nowhere, Born To Run, Can't Get Enough, Unspoken Words, Future Land. Bonus: Living On A Frontline (Live), Heart Of Gold (Live), Heart Of Gold (Video).

Comments: Many songs incorporate keyboards and it gives the album a great retro 80s feel.

"Timebomb" track listing: The Gutter (instrumental), Metal Eater, Thunderforce, Overloaded (Instrumental), Burning Heat, Back In Pain, Timebomb, Powersquad, Kick In The Face, Soldiers Of Darkness, Metal Maniac Master Mind. Bonus: Metal Eater (Live), Album-EPK (Video)

Comments: The album that started to establish the U.D.O. sound on several songs. Heavy and aggressive throughout.

"Solid" track listing: Independence Day, Two Faced Woman, Desperate Balls, The Punisher, Devil's Dice, Bad Luck, Preachers Of The Night, Hate Stinger, Braindead Hero, Pray For The Hunted, The Healer. Bonus: Independence Day (Live), Mad Dogs And Loaded Guns (Demo), Warchild (Demo), Independence Day (Video).

Comments: First album Stefan Kaufmann appears on as a guitar player (was also the drummer for Accept on nine albums), and he has recorded seven albums since with U.D.O. A consistent energy to several songs./p>

"No Limits" track listing: The Gate (instrumental), Freelance Man, Way Of Life, No Limits, With A Vengeance, One Step To Fate, Backstreet Loner, Raise The Crown, Manhunt, Rated X, Lovemachine, I'm A Rebel (Accept cover), Azrael. Bonus: No Limits (Live), The Key, Azrael (Remix), Rated X (Demo), Tough Luck (Demo).

Comments: Another album that further solidifies the U.D.O. sound and arrangements for the future.

"Holy" track listing: Holy, Raiders Of Beyond, Shout It Out, Recall The Sin, Thunder In The Tower, Back Off, Friends Will Be Friends, State Run Operation, Danger, Ride The Storm, Cut Me Out. Bonus: Holy (Live), Raiders Of Beyond (Live), Shout It Out (Live), Thunder In The Tower (Live), Recall The Sin (Demo).

Comments: Where the songwriting became consistent in sound and style for the next few albums: “Thunderball” (2004), the average “Mission No. X” (2005), and one of strongest front to back, one of my favorites, “Mastercutor” (2007).

"Man And Machine" track listing: Man And Machine, Private Eye, Animal Instinct, The Dawn Of The Gods, Dancing With An Angel (feat. Doro Pesch), Silent Cry, Network Nightmare, Hard To Be Honest, Like A Lion, Black Heart, Unknown Traveller. Bonus: Man And Machine (Live), Dancing With An Angel (Remix).