Nickelodeon U.K. has launched the first episode of a new online adventure game series, called "SpongeBob QuestPants."

The first episode, "The Legend of Dead Eye Gulch," is now available on Nick.co.uk/QuestPants and is compatible with desktop, tablet and mobile devices.

Additional episodes and features will be released throughout year, and the game will eventually feature more than 85 interactive SpongeBob characters by the end of 2015.

Fans the opportunity to explore multiple locations within SpongeBob’s world, collect character profiles for 28 Bikini Bottom residents that they meet throughout the game and discover fun facts about the show.

"SpongeBob QuestPants" was developed by Nickelodeon U.K. with the help of digital producer Fish in a Bottle.

“SpongeBob fans have been at the heart of the game’s development,” says Suzie Adams, digital director, Nickelodeon U.K. “We know that our audience is keen to know about all of the characters in 'SpongeBob SquarePants,' and we have created 'SpongeBob QuestPants' in response to fan feedback, giving them the chance to experience a wealth of characters on a new, more interactive and immersive level.”