Here are some of the craziest activities you can do on cruise ship, from full length karting tracks, to ziplines and 'boomerang' slides

Bolt is the first and fastest roller coaster at sea on Carnival Cruise ships Mardi Gras and Celebration. It zooms around an open-air course at 40 miles-per-hour, reaching as high as 187 feet above sea level, with 360-degree views of the ocean.

Source: Carnival Cruises

 

Robotron is a robotic arm with an attached gondola that seats three people and flies them out 53 meters above the sea, whilst rotating riders and giving them a 360-degree view of the ocean. It is available on the MSC cruise ship Seascape.

Source: MSC Cruises

A two-story race track with karts reaching speeds of 30 miles-per-hour features on Norwegian Cruise Line ships Encore, Joy, and Bliss, with Bliss sporting the longest race track at sea.

Sources: Norwegian Cruise Line; Norwegian Cruise Line

The Himalayan Bridge is an 80-meter sky walk, 60 meters above sea level, and can be found on MSC cruise ships Grandiosa, Bellissima, and Meraviglia.

Source: MSC Cruises

SkyRide is a monorail-style bike ride high above the sea, taking passengers on a tour around the ship on Carnival Cruise Line ships Horizon, Panorama, and Vista.

Source: Carnival Cruises

The Blaster is the longest waterslide at sea, according to Royal Caribbean, and has a 245 meter-long stretch of slide floating above the ocean. It is located on Royal Caribbean's Navigator of the Seas.

Source: Royal Caribbean

Galaxy Pavillion is a virtual reality gaming wonderland on Norwegian Cruise Line ships Encore, Joy and Prima. It includes immersive game play like a race track simulator and a drone race in VR.

 

Thrill Island is an adventure island aboard Icon of the Seas — a Royal Caribbean cruise ship set to sail in 2024. The island offers features like sky walking, a climbing wall, mini golf, and even an infinity pool.

Source: Royal Caribbean

The Hideaway Pool is the first infinity pool at sea with disappearing edges, on Icon of the Seas.

Source: Royal Caribbean

Crown's Edge is a sky walk and ropes course on the edge of Icon of the Seas. It is designed to test guests' courage, while obviously keeping them safe.

Source: Royal Caribbean

Riptide is a head-first mat racer water slide that hurtles guests through a translucent tube on the side of the ship, with a view of the ocean. It can be found on Royal Caribbean's Navigator of the Seas.

Source: Royal Caribbean

Tidal Wave is a boomerang-style slide powered by high-pressure water that shoots guests upwards before they slide back down to earth. It features on Royal Caribbean's Liberty of the Seas.

Source: Royal Caribbean

MSC cruise ships Seaside and Seaview feature an almost 400 foot long zipline which drops three decks.

Source: MSC Cruises

RipCord by iFLY is a sky diving simulator that makes guests feel like they are flying by blasting a high-powered curtain of air upwards. It features on Royal Caribbean ships including Quantum of the Seas and Anthem of the Seas.

Source: Royal Caribbean

A game of augmented reality laser tag can be enjoyed on Norwegian Cruise Line ships Encore, Bliss, and Joy.

Source: Norwegian Cruise Line