NKR013: 2. Groan-er - Rozszalała Bestia
NKR013: 1. Groan-er - Co Zabijesz Należy Do Ciebie
NKR013: 4. Groan-er - Spokój
NKR013: 3. Groan-er - We Are Here (Vocal By Rektor)
NKR023: 04. Groan-er - Strangled To Death
NKR019: 06. Groan-er - We Are Lost
Noisekick´s Terrordrang - Area 2 - Groan-er
Groan er - Injected Your Brain 2
NKR035: 09. Groan-er - The Ritual (Dedicated to Drokz)
Groan-er - Basstion 2: Carnival Rave On! @ Sfinks, Sopot 20.02.2010
GROAN-ER - The Beast (OFFICIAL VIDEO)
Groan-er - Anti Human
Groan-er - The Pervert
Groan-er & Rektor - Achtung Speedcore
Groan-er - One Man Two Personalities
Groan-er - Strach Na Ludzi (OFFICIAL VIDEO)
Warsaw Speedcore / Groan-er - Child Eater
Groan-er - Black Terror (ALBUM MIX)
Groan-er & Rektor - Krew Ból Przemoc
Groan-er vs. Nekrosystem @ Masters of Hardcore 2019
