Over the weekend of April 20-22 I participated in the 23rd Ludum Dare 48 hour game making competition (theme: Tiny World).
The end result was a puzzle game where you direct a laser to its target using mirrors and filters that are “quantum entangled” to each other. Have a look!
My entry and a download (done in XNA) is here http://www.ludumdare.com/compo/ludum-dare-23/?action=preview&uid=11319.
A youtube video is here: http://www.youtube.com/watch?v=hxejOUtnfjw
I wrote a small post-mortem on my dev blog: http://mtnphil.wordpress.com/2012/04/23/quantum-entanglement-ludum-dare-23/