2013 - Wagner Reloaded (Live In Leipzig) (With MDR Symphony Orchestra) - (UK & EU)
1997 - Purify Yourself-Look Out Tonite (Feat. Apocalyptica) (Waltari) - (EU)
1999 - Letting The Cables Sleep (Apocalyptica Remix) (Bush) - (UK)
2001 - In Joy And Sorrow (HIM With Eicca Toppinen) - (FI)
2001 - Valtio (Feat. Apocalyptica) (Sepultura) - (JP)
2004 - (Built To) Resist (Grip Inc. With Eicca Toppinen) - (DE)
2004 - Turn The Sky (Feat. Apocalyptica) (Angelzoom) - (DE)
2005 - Benzin (Kerosinii Remix By Apocalyptica) (Rammstein) - (DE)
2005 - Dead Promises (Feat. Apocalyptica) (The Rasmus) - (FI)
2006 - Die Schlinge (Feat. Apocalyptica) (OOMPH!) (CD Single) - (DE)
2006 - Die Schlinge (Feat. Apocalyptica) (OOMPH!) (EP) - (DE)
2007 - Ghost (Feat. Apocalyptica) (The 69 Eyes) - (EU)
2008 - Live For The Kill (Feat. Apocalyptica) (Amon Amarth) - (DE)
2008 - Иуда (Feat. Apocalyptica) (Пилигрим) - (RU)
2010 - Song Of Death (Feat. Apocalyptica) (OOMPH!) - (DE)
2012 - Edge Of A Dream (Feat. Apocalyptica) (Firewind) - (UK & EU)
2012 - Riverside (Feat. Apocalyptica) (Rea Garvey) - (UK)
Eicca Toppinen - cello, double bass, percussion, programming, vocals (1993–present)
Paavo Lötjönen - cello, vocals (1993–present)
Perttu Kivilaakso - cello, programming, vocals (1995, 1999–present)
Mikko Sirén - drums, double bass, vocals (2005–present; live member: 2003-2005)
Franky Perez - vocals (2014–present)
Former members
Antero Manninen - cello (1993–1999, live member: 2002-2009)
Max Lilja - cello (1993–2002)