Heureka-Klett
- Heureka-Klett was founded in Germany in 1994 by Ernst-Klett Verlags.
- Heureka-Klett was sold to BrainGame Publishing GmbH in 2005.
Released Games
- Physicus (1999)
- Bioscopia: Where Science Conquers Evil (aka Biolab) (German title: Bioskopia) (2001)
- Chemicus II: Die versunkene Stadt (2001) (English title: Chemicus: Journey to the Other Side)
- Opera Fatal (1996)
- Geograficus (2003)
- Mathica (2002)
- Historion (2003) (English title: Hystorion)
- Geograficus (2003)
- Genius Task Force Biologie (2007)
- Genius Unternehmen Physik (2004)
- Mission: Amazonas (2006)
- Mission: Schatztaucher (2003)