http://strlen.com/lobster
Unlike other game making systems that focus on an engine/editor that happens to be able to call out to a scripting language, Lobster is a general purpose stand-alone programming language that comes with a built-in library suitable for making games and other graphical things. It is therefore not very suitable for non-programmers.
It's also meant to be portable (mostly courtesy of OpenGL/SDL/Freetype), allowing your games to be run on Windows, Mac OS X, iOS, Linux, and Android (in that order of maturity, currently).
It seems to output to interpreted bytecode.
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