Altarinteractive
FishFillets v.7 1
Originally released in 1998, in the Czech republic, in both Czech and English versions. In 2002 Fish Fillets was released as an open source under GNU/GPL license.
Fischfilets 2 v.1.0
Underwater puzzle game with two talking fish playing the role of secret agents. Another six creatures with unique abilities join the player's team in the course of the game.