This is a sim set in the Featherlight galaxy. A galaxy that is rather special, for it's inhabited entirely by birds.  Here is a link to the thread about Featherlight's lore. It's also inspired quite a bit by a mobile game called Terragenesis.  Now let's hope this sim doesn't die and end up lost forever.   The Goal First, you pick your civilization's home planet, and the planet you want to terraform. The goal of the game is to use strategy and technology to get the