Chrysalis-D 1.0 for Mac was free to download from our software library. The actual developer of this Mac application is Reflective Layer. Chrysalis-D for Mac lies within Games, more precisely Simulation.
From the developer:
Be in charge of a single species and watch it grow and branch into various species as it evolves generation after generation.
In Chrysalis-Dx you will control three important environmental variables. Available Food, Temperature and CO2 level.
As you adjust these level during the course of the simulation, you will be controlling the path of evolution.
You may want to check out more software for Mac, such as Pony World Deluxe demo, Democracy2 or Pokemon Online, which might be similar to Chrysalis-D.