He wasn't the first to run a game. His own game was run by someone called Hilda, and he was there with someone he knew from before. Incendiary was the only person Ambitious cared about, and he was a victim one week.

After that, the other survivors got together to do what you did: confront the person in charge and get out. They wanted to make it so that none of this could ever happen again.

Am-- Archer disagreed. He wanted revenge to make every world suffer like he did, so as soon as Hilda was out of the way, he killed the other survivors. He started his own game after that.