2012 was a great year, so many great bands, so much great music. I really hope the next years can keep up with that. This list represents the 10 releases I listened to the most. To make it a little easier I sorted them alphabetically.
BLIGHTED - Deliberate
http://blighted.bandcamp.com/
BLIGHTED - Deliberate
http://blighted.bandcamp.com/
http://www.convergecult.com
DEAD NEANDERTHALS - Jazzhammer / Stormannsgalkap
http://deadneanderthals.bandcamp.com/
EMPLOYED TO SERVE - Built To Last
http://employedtoserve.bandcamp.com/
MESHUGGAH - Koloss
http://www.meshuggah.net/
NAPALM DEATH - Utilitarian
http://napalmdeath.org/
RAPE REVENGE - Paper Cage
http://raperevenge.bandcamp.com/
THEDOWNGOING - Athousandyearsofdarkness
http://thedowngoing.blogspot.de/
UNDERSMILE - Narwhal
http://undersmile.bandcamp.com/
VØID WØRSHIP - Demo 2012
http://voidworship.bandcamp.com/
Of course there are way more great releases this year: ANAAL NATHRAKH, BEYOND PINK, DYSTOPIAN ARCHITECT, GREEDY MOUTH, NACHTMYSTIUM, NEUROSIS, PIG DETROYER, SCAPHE, SIX BREW BANTHA, WAKE, WATER TORTURE have all released great albums, EP's, splits and whatnot. And I guess there's loads of stuff that I just missed.
THANKS and HAIL to all of you who keep the undergound alive! You're awesome!