Source is available here: https://github.com/bendmorris/hide-n-stab
Both the client and server are written in Haxe, which is compiled to Flash (for the client) and Neko VM bytecode (for the server).
Both the client and server are written in Haxe, which is compiled to Flash (for the client) and Neko VM bytecode (for the server).
Haxe and Unity also do this, but I would hesitate to call Flash a dead platform - it's just not the flavor of the month right now.