Skyrim is one of the most popular games ever released, with an extremely loyal following. It has evolved into a platform over the years, with a huge ecosystems of plugins written by the loyal fan base which can add an amazing variety of content and updates that modernize the look and feel.
Beat Saber's online play feature may have had a "happy accident", and created an incredibly friendly online community.
This is a question I've been asked many times since Facebook's decision to rebrand as Meta. The answer is, to borrow phrase from Facebook... "it's complicated."