Just thinking that the game is made in 48 hours is already insane...I would gladly play it if it was released later as a full game with some narrative. I'm not even sure that I need to comment on the music and visuals, since I guess every other comment already did that.
I would say, though, that I was stuck for a while in the beginning because I didn't see if the game has shown me to use ctrl c to clone myself. I realized that only after reading the game page. Maybe you might help to the players with the tutorial more? And also, the elevators were too long.
But apart from these minor things, the game is one of the best looking I've seen so far, and it's also so original. Good luck to you!