Teeworlds license is non-free.

Binary package hint: teeworlds

Hello

In the copyright file of teeworlds, the 4th item in the license:

4. Neither this software nor any of its individual components, in original
or modified versions, may be sold by itself.

This makes teeworlds non-free software, because as stated in http://www.gnu.org/philosophy/free-sw.html : "you should be free to redistribute copies, either with or without modifications, either gratis or charging a fee for distribution, to anyone anywhere."

It should not be included in Trisquel.

There's a bug open at https://bugs.launchpad.net/ubuntu/+source/teeworlds/+bug/520003 with further discussion.