EcoMaster - Version 1 ECOMASTER for Windows is a multiplayer ecology simulation in which you predict which animals will best survive in different environments. Each round, players bid for animals. Animal increase or decrease in value, depending on the current environment. Original photography from around the world shows the animals and their environment. The registered version lets you customize the game, and change many of the rules. The shareware version contains 1Mb of digitized photography; the registered version contains over 5 Mb.