Blinkenlights can be compiled from source on Linux.
git clone https://github.com/jart/cosmopolitan.git && cd cosmopolitan make -j8 o//tool/build/blinkenlights.com o//tool/build/blinkenlights.com -? o//tool/build/blinkenlights.com.dbg -?
If you're using Windows/Mac/BSD please visit downloads for a prebuild.