I had some time and here is the new improved lights off puzzle:
Added features:
-launcher (needs to reboot because of overflown ram)
-lights off engine V0.1
-lights off 3x3 & 4x4
-installer (you need to delete old content if reinstall, sorry)
download the installer:
Spoiler
Thanks for the downloads and please post bugs or improvements.
screen shots:
Spoiler