A puzzle game where each (2D) map spawns with lasers and corresponding targets, and sometimes mirrors etc. You get to place some mirrors, T pieces, beam splitters etc. and have to fulfill each target.
There are so many clones of this out now it’s nigh impossible to find, especially as the game is literally just called Laser. This one’s also a clone I think but I just love this particular one.
I did recently finally find it again after more than a decade of looking.
For me, it was Microsoft Ants angielski