DieCubesDie by Enneract 2012-12-17T12:36:00
My first thought is "Hooray, a Linux binary!". My second thought is "Eh? It's in a .zip file?"
The game's pretty challenging - especially with a touchpad - but a few times I did manage to block off the exit completely.
I'm on a 16:10 monitor so the text on the sides was cut off - if anybody else isn't on a 16:9 monitor, I'd recommend reading it beforehand.
This was pretty fun and very technically impressive. It's a nice mashup of tower defense and puzzle games!