Source of Game/ICO

* PlayStation 2 Game ICO Violates the GPL [#lfff397e]

 using GPL-licensed code from libarc

- http://games.slashdot.org/games/07/11/28/0328215.shtml
- http://astrange.ithinksw.net/ico/

- http://japanese.engadget.com/2007/11/29/ico-gpl/