Clock Factory Bristol - Halloween 2025. TRUE UNDERGROUND. 31.10.25. This Halloween, we’re taking over the heart of Bristol for a night of true underground sound. One room, fully immersed: powered by VOID Acoustics and Danley Sound, lit by festival-grade lasers and LED walls. Expect Bass, UKG, 140 and beyond - a complete night of raw energy and forward-thinking music. Light room 33 below Camoufly Bklava Skala Dashy Presented by Clock Factory Bristol. This is an 18+ event