​Man designed ‘Euthanasia Coaster' that you can only ride one time

The design uses a wholly different method to the one employed by many players of Rollercoaster Tycoon.

Rather than simply throwing passengers off the end of the track, it employs a method which could be considered more 'humane', as much as a death-coaster could ever be considered 'humane' that is.

But if it doesn't rely on catapulting passengers off into the distance, then what other means could a rollercoaster use?

The answer is not particularly pleasant, fair warning.

TikToker Luke Davidson posted about the coaster, and explained that it uses extreme G-force to achieve death.

It starts with a large drop, followed by several extreme loops which get progressively smaller.

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"Julijonas Urbonas designed this roller coaster called the Euthanasia Coaster. It's capable of holding up to 24 passengers. Once they're all on board there's a slow ascent to the top, which is 510 [metres] in the air - that's just a little bit smaller than the tallest building in America.

"Once they're at the top it gives everyone the decision to stop and go back down safely. After that, everyone has to manually press a button to start the ride."

That's something, I suppose! But what happens next?

Luke said: "Then it falls at a speed of 223 miles per hour, and goes through seven loops that keep getting smaller."

The ride becomes increasingly intense until the doomed passengers pass out from the force and soon die.

He explains: "Riding the coaster's track, the rider is subjected to a series of intensive motion elements that induce various unique experiences: from euphoria to thrill, and from tunnel vision to loss of consciousness, and, eventually, death."

But what is it that actually kills the passengers?

Luke said: "It is exactly this cerebral suffocation, also known as cerebral hypoxia, that is going to kill you.

"The rest of the ride [...] proceeds with your body being numb, ensuring that the trip ends your life. You die, or, more accurately put, your brain dies of complete oxygen deprivation, a legal indicator of death in many jurisdictions.

"The biomonitoring suit double-checks if there is a need for the second round, which is extremely unlikely, as the result is guaranteed by seven-fold repetition."