From (Wikipedia)[https://en.wikipedia.org/wiki/Eressea_PbeM “Eressea (video game)”]:
Eressea is an open-ended multi-player computer moderated fantasy turn-based strategy game world for any number of players. Players interact with the game via email. As of August 2006, the game has over 900 players, and has had weekly turns since August 27, 1996.
The game world is populated by many races and monsters. It consists mainly of player-populated islands separated by oceans, and players control a growing number of units of a given race to build empires, armies and fleets.
Eressea was originally derived from Atlantis, and has grown tremendously since that time.
The Second Age
The original game, running weekly turns since August 1996.
The Third Age
A new world with a modified ruleset, started in /TBD/ …