Ensata

http://en.m.wikipedia.org/wiki/Ensata

Solving Lights Out

http://www.math.osu.edu/~fowler/blog/posts/solutions-to-lights-out/

Merlin (game)

I thought that I had played the electronic game "Lights Out" around
1980 but that game did not come out till 1995, so it had to be this
game that I played...

http://en.m.wikipedia.org/wiki/Merlin_(game)

Now I play several different variations of "Lights Out" on the iPhone.

Also interesting

http://en.m.wikipedia.org/wiki/Richard_Francis_Burton

This guy knew how to live.

http://en.m.wikipedia.org/wiki/Byron