Not BulletML. Something a lot like BulletML in Lua with LÖVE.
Lua Shell
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COPYING
README
THANKS
build.sh
class.lua
conf.lua
enemies.lua
globals.lua
graphics.lua
main.lua
mainloop.lua
object.lua
objman.lua
queue.lua

README

1.  Install love (http://love2d.org/)
2.  cd nbml
    love .