An MMORPG which was released in 2001. It was created by Andrew Gower and is beloved by nerds, cute people, the extremely attractive, and those with good taste. It was officially closed in 2018 but a free & open source replica exists. Also referred to as RS1, RSC, or RS Classic.
Have you seen John lately? He is completely addicted to Runescape Classic again. Get the straightjacket ready.