AlphaNET is a neato sandbox programming MMO, written in Go, utilizing JS as the in-game scripting language. It'll be pretty cool fellas
Ensure you have a proper Go development enviroment setup (With $GOPATH set), and run go get github.com/trigex/alphanet
Run cd $GOPATH/src/github.com/trigex/alphanet && go build, the source will be built into the resulting binary, alphanet, execute it with ./alphanet