Decadence Colorado 2025 Lineup. Decadence colorado unveiled a fantastic new year’s eve lineup featuring skrillex, zeds dead, malaa, deathpact, john summit, and more! Here are 3 undercard artists to check out.

Decadence colorado 2024 takes place on december 30th and 31st at the colorado convention center in denver. Experience two full nights of mammoth sized arenas at the colorado convention center in denver filled.