It's probably easier if I just copy what they say about it, not having been before:
Once again Captains Voodootronix and Lynch the Hangman invite you on a fantasy-fuelled exploration of the Neutral Zone between the universes of Fetish and Rave!
Think a safe place to dress up and be whatever you want to be in a safe, adult, respectful environment with a fantastic atmosphere and DJs curated by true scene veterans Lynch and Voodoo.
Two banging dancefloors covering everything from house and techno through glitchhop, 140 jungle and filthy Drum & Bass. Retro arcade with proper old-skool cabinets. Top quality alternative performers and play area "the Red Light Deck".
IMAGINARIUM: The Fetish-Rave Crossover in Outer Rave Space!
Theme/dresscode: ALL THINGS JAPANESE
Ninja, Geisha, Samurai, Anime, Sailor outfits, Lolita, Mecha, Pokemon etc
Plus standard Imaginarium costume types: Fetish, Goth, Cyber, SciFi, Candy-Rave, Fluro, Steampunk etc
NO BLUE JEANS, WHITE TRAINERS OR ONESIES!
No effort, no entry, Imaginarium is a place to indulge in personal fantasies and by everyone making an effort to follow the dresscode the spell and the easy-going atmosphere we're known for is maintained :)
Tickets are only £7 for the next four days, then it goes up in increments. I've got mine already!