1997–presente

• Primal Fear (1998)
• Jaws of Death (1999)
• Nuclear Fire (2001)
• EP - Horrorscope (2002)
• Black Sun (2002)
• DVD - The History of Fear (2003)
• Devil's Ground (2004)
• Seven Seals (2005)
• Metal Is Forever - The Very Best of Primal Fear (2006)
• New Religion (2007)
• 16.6 : Before the Devil Knows You're Dead (2009)
• Live in the USA (2010)
• DVD - 16.6 All over the World (2010)
• Unbreakable (2012)
• Delivering the Black (2014)
• Rulebraker (2016)
• Apocalypse (2018)
• Metal Commando (2020)
• I Will Be Gone feat. Tarja Turunen (2021)
• Code Red (2023)

• Eye to Eye (1983)
• Long Live Metal (1984)
• Watching You (1986)

• Heading for Tomorrow (1990)
• DVD - Heading for the East (1990)
• Sigh No More (1991)
• Insanity and Genius (1993)
• DVD - Lust for Live (1993)
• Power of Metal (1994) compilación convivir con Rage, Conception, y Helicon
• The Best (of) (2015)
• 30 Years of Amazing Awesomeness (2021)
• DVD - 30 Years Live Anniversary (2021)

• Hell on Wheels (1993)

• Scheepers (2011)

• Survival of the Fittest (2015)

• In the Name of the Father (2015)
• In the Name of the Son (2017)
• In the Name of the World Spirit (2020)

• ’’Immortal’’. Scheepers as a guest singer in the two songs „Drilled to kill“ and „Devil´s Daughter“ (2021)
• ’’Universal’’. Scheepers as a guest singer in the song „Wrecking Ball“ (2022)

• Step Into The Plague E.P (2021)
• In A Concrete Room E.P (2021)

Vocal en canción

• Scanner - Hypertrace (1988)
• German Rock Project - Let Love Conquer the World (1991)
• Sinner - No More Alibis (1992)
• Heavens Gate - - Hell for Sale! (1992)
• Brainstorm – Hungry (1997)
• Roland Grapow - The Four Seasons of Life (1997)
• Scanner - Ball of the Damned (1997)
• Pink Cream 69 - Electrified (1998)
• Therion - Vovin (1998)
• Sinner - The Nature of Evil (1998)
• Therion - Crowning of Atlantis (1999)
• Ayreon - Universal Migrator Part 2: Flight of the Migrator (2000)
• VA - Catch The Rainbow : A Tribute to Rainbow (2000)
• VA - German Rock Stars - Wings of Freedom (2001)
• Sinner - There Will Be Execution (2003)
• Tribuzy - Execution (2005)
• Sinner - Mask of the Sanity (2007)
• Tribuzy - Execution Live Reunion (2007)
• Solna - Sent from Heaven (EP) (2008)
• Shadow Gallery - Digital Ghosts (2009)
• Solna - Eurameric (2009)
• Phenomena - Blind Faith (2010)
• Dragony - Legends (2011)
• Helker - Somewhere in the Circle (2013)
• Highlord - The Warning After (2013)
• Nergard - Memorial for a Wish (2013)
• Rage of Angels - Dreamworld (2013)
• Magnus Karlsson - Free Fall (2013)
• Pamela Moore - Resurrect Me (2013)
• Domination - Doom in Nation (2013)
• Mägo de Oz - The Black Book (2013)
• Hellcircles - Prelude to Decline (2014)
• Desert - Never Regret (2015)
• Gaelbah - Häxan (2015)
• Graveshadow - Blink (2015)
• Hansen - XXX : 30 Years Of Metal (2016)
• Derdian - Revolution Era (2016)
• The Rose of Lilith - Soulless (2017)
• Soulspell Metal Opera - The Second Big Bang (2017)
• Europica - Part One (2017)
• Icy Steel - Guest on Earth (2018)
• Constantine - Aftermath (2019)
• Hellrazer - Bonecrusher (2019)
• Trend Kill Ghosts - Kill Your Ghosts (2019)
• Adrian Benegas - The Revenant (2019)
• Vanish - Altered Insanity (2020)
• Hellbound - Overlords (2020)
• Hellbones - Crossing Borders (2021)
• Avaland - Theater of Sorcery (2021)
• Marius Danielsen - Legend of Valley Doom Part III (2021)
• Trick or Treat - The Unlocked Songs (2021)
• Powerwolf - Call of the Wild (Deluxe Version) (2021)
• Basement Prophecy - Metal Zeit (Daalschlag cover) (2021)
• Then Comes The Night - Chapter 1 (2022)
• Chrysalïd - Back on The Streets (2022)
• Avantasia - The Wicked Rule the Night (2022)
• Triddana - Wasted Paradise (2022)
• Sinner - Brotherhood (2022)
• Demon Project - Self-titled album (2022)
• Conor Brouwer's Call of Eternity - Call of Eternity (2022)
• Casus Belli - Ad Calendas Graecas (2022)
• Xandria - You Will Never Be Our God (2022)
• Woods of Wonders - Lost (2022)
• Kliodna - Way of Heroes (2022)
• Avantasia - A Paranormal Evening With The Moonflower Society (2022)
• StormHammer - Never Surrender - 30 Years of Power (2022)
• Immortalizer - Born for Metal (2023)
• Xandria - The Wonders Still Awaiting (2023)
• Dispyria - The Story of Marion Dust (2023)
• Scarlet Aura - Fire All Weapons (2023)
• Immortal Guardian - Roots Run Deep (2023)
• Majustice - Ancestral Recall (2023)
• Dreamyth - Altheia (2023)
• Ankhara - Tu verdad (2023)
• Cathalepsy - Blood and Steel (2023)
• Ankhara - De Aquí a la Eternidad (2023)

• Dreath: Sidestories Underground (Short 2012) - Soldier
• Gamma Ray: Skeletons and Majesties (Video 2012) - (lyrics: "The Spirit" "Brothers" - writer "Brothers")
• Devil's Five (2021) - Ansel Schneider

• Inglès Wikipedia pàgina de Ralf Scheepers