Sure was. Batman Beyond was indeed a comic that explored the adventures of a new Batman in a dystopian future. It had unique storylines and art styles that attracted many fans.
A significant number of comic book fans were fans of Batman Beyond. They were drawn to its advanced animation and engaging plotlines. However, there were also those who weren't as impressed, finding it lacked the depth of the original Batman series.
A really cool 'Batman Beyond' fanfiction is 'Future of Gotham'. This one takes a look at the future of Gotham City itself, with Terry as Batman facing threats that could change the city forever. It has a unique take on the technology in the 'Batman Beyond' universe.
One of the best is 'Return of the Joker'. It delved deep into the complex relationship between Batman and the Joker, even in this futuristic setting. It was dark, full of twists, and really explored the legacy of the original Batman - Joker dynamic.
There's no fixed number of Batman Beyond comics. It's a constantly evolving field. Different story arcs and special editions contribute to the total, making it difficult to provide a precise count.