Members of the NINA (NINA Is Not an Acronym) Lab at the University of North Carolina Asheville.
It's a building/strategy game.
If you don't get connected with an opponent, open up a new browser window and you can play against yourself.
Select the block you'd like to drop by clicking on it your dropper or by typing 1, 2, or 3. Click on the map to drop the block. The indestructible character on the map can climb one block at a time and will move in the same direction until he can proceed no further, then he will turn around.
Node.js, Processing.js, Express, Socket.io, Redis