The event featured actors dressed in costumes, fairground rides, bars and food stands.
Organisers said it was the first time the character Leatherface from the Texas Chainsaw Massacre franchise had been featured at a UK scare attraction.
There was also a maze based on the 2023 horror film Winnie the Pooh: Blood and Honey.
Earlier this month Mr Doherty told BBC Three Counties Radio presenter Justin Dealey that the company’s key phrase for the event was “bringing Hollywood to Hertfordshire for 2025”.
He admitted that although he was not a fan of horror films himself, he knew similar attractions had been popular in the US and expected 25,000 people to attend.
“We’re already planning next year’s event where we’re planning to bring more content…