Eressea started as a hobby project of a small group of people, and has been refined ever since.
- Christian Schlittchen: The original creator; programming, design, and first game master.
- Katja Zedel: Mistress of Magic; Programming and design.
- Enno Rehling: The great old one; programming, web pages, translations, design, and current game master.
Several others have helped, especially in the early days of the game:
- Henning Peters: ECheck and the rulebook.
- Martin Hershoff: additional programming.
- Ingo Wilken: additional programming.
- Benni Bärmann: additional programming.