This is a Debian prepackaged version of Quake.

This package was put together by Joey Hess <joeyh@master.debian.org>, using
sources from:
ftp://ftp.idsoftware.com/idstuff/unsup/squake-1.1-i386-unknown-linux2.0.tar.gz

Quake is shareware.

QUAKE SHAREWARE END USER LICENSE (slicnse.txt) or
What You Can and Cannot Do With the Shareware Version of Quake.

CAN DO:
-- Play & Enjoy the single player game 
-- Setup a shareware version based server on a not-for-profit basis

CANNOT DO:
-- Run the game with user developed levels.  
-- You may not commercially exploit the shareware version in any way
        This specifically excludes retail distribution of the shareware 
        version. Do not call or e-mail to ask if you can be a retail 
        distributor of the shareware version -- the answer is no! 
-- Commercially exploit any id copyrighted and/or trademarked property. 
        Example: Game names, logos, graphics, etc.
