Back in June, RuneScape studio Jagex held its first live event outside the UK (and its biggest to date): Deadman All Stars, an Old School RuneScape PvP tournament. I had the chance to talk to OSRS creative director Kieren Charles at the event, and he explained his philosophy on running the 13 year-old fork of the 25 year-old MMO amid its new lease on life.

“The game’s bigger now than it was in 2007,” Charles said of RuneScape’s overall health, while OSRS is now older than RuneScape was when Old School began in 2013. Last August, Old School hit an all-time player count record eclipsing any era or version of the game, and Charles estimated upwards of one million active subscribers just for Old School.

Charles himself was part of the original RuneScape phenomenon, but as a player, one of the core mid-to-late millennial cohort that made the game ubiquitous in middle schools during the golden age of MMOs. “I grew up with the game,” Charles told me. “I was 14 in the school library playing RuneScape. I was just the one who never quit.”

But why choose the 2007 iteration of RuneScape as a starting point? The game first launched in 2001, and had already undergone major revisions like the “RuneScape 2” update in 2004. Charles joined the OSRS team a few years after it started, but looking back, he characterized the choice as “kind of arbitrary, but based on what players deemed the sort of golden [age].”

“Players actually wanted the 2006 version, but we didn’t have a copy of that version of the game,” revealed Jagex senior communications manager Danni Amos. “A [Jagex employee] found the 2007 server in their desk drawer, and we had to boot it up, see if it works.”