Book Project E20 tickets and experience one of London's most thrilling Halloween events
This Halloween, Zip World London invites you to take on Project E20, an immersive scare experience high above the capital at the iconic ArcelorMittal Orbit.
A dangerous experiment has escaped containment beneath the tower, unleashing a highly contagious threat across London. Your mission? Enter the military-controlled facility, survive the terrifying scare maze and reach the Helix Protocol before it's too late.
- Take on a Halloween scare maze 80 metres above London
- Experience an immersive story-led adventure inside a military lockdown zone
- Navigate dark corridors, twisted pathways and terrifying encounters
- Ride the world's longest and tallest tunnel slide in complete darkness
- Help generate power to contain the outbreak through the Helix Protocol
- Capture your reactions on the scream cam
Can you survive Project E20?
For years, a secret experiment beneath the ArcelorMittal Orbit pushed human genetics beyond their natural limits. Now the experiment has escaped containment, the facility is failing and London faces an unprecedented threat.
- Dates: 26th October - 31st October 2026
- Times: 4:00pm - 10:00pm
- Location: Zip World London, ArcelorMittal Orbit
- Experience: Scare Maze and Helix Slide
- Duration: Timed experience
Two terrifying experiences included in every ticket
Your journey begins inside the Project E20 facility, where you'll receive your mission briefing before entering the scare maze.
- Scare Maze: Make your way through a darkened research facility filled with monsters and mutated subjects. Your goal is simple: survive.
- Helix Slide: Once you've escaped the maze, race down the world's longest and tallest tunnel slide to generate the power needed to contain the outbreak.
Every ride on Helix creates one charge towards the 5,000 required to keep the containment system operating. The fate of London rests in your hands.
If you're searching for unforgettable Halloween attractions in London, Project E20 delivers thrills, immersive storytelling and adrenaline-pumping fun from start to finish.
Book your Project E20 tickets today and prepare to enter containment.