AI sucks. the collision detection does nothing midframe. No "No." on the "Are you ready" question. Cheap attempt to use anime girl to liven up a sad clone of old programs. not even worth 1.
xkcd is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.
This means you're free to copy and share these comics (but not to sell them).
this means that while you are allowed to use his art for derivative purposes, you can't use it to make a profit..