Groan-er - Ziemia Złem Wykuta
Groan-er - Anti Human EP / WSR008
Groan-er - Something Wrong EP/WSR007
KREW - First Blood EP - WSR006
Groan-er / From Nowhere / Rektor - Chora Agresja EP/WSRDIGI005
Stan Grewzell / Groan-er & Rektor / iGoA / Vague Entity / The Shocker - Brutal Electronic Festival EP - WSRDIGI004
Groan-er / Jensen / iGoA / From Nowhere
Groan-er / Quato / The Shocker / Rektor - Hardcore Sektor EP - WSRDIGI002
Groan-er & Bula - Witness Hell EP - WSR001DIGI
Groan-er & Bula
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