Crack Attack essentially requires hardware acceleration. For XFree users, this means you want DRI.
Copyright 2005 Andrew Sayman
An attempt at a complete list of copyright holders is included with the source distribution of this software in the file COPYRIGHT
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
The GNU General Public License can be found online at http://www.gnu.org/copyleft/gpl.html. Additionally, a copy can be obtained by writing to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This manual page was written by Colin Walters <firstname.lastname@example.org> for the Debian GNU/Linux system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
A copy of Version 1.2 of the Free Documentation License is included in the file debian/copyright in the crack-attack source package. This file is also available in the Debian package as /usr/share/doc/crack-attack/copyright.