$5 - $15 XBox 360, Playstation 2 & 3, Wii games at K-mart

K-mart is having a huge clearence on games right now. 

Some examples.

$4.97 - College Hoops 2k7 (RamHawk - Mine scanned at $5.00 even)
$4.97 - FIFA Soccer 07
$4.97 - 2006 FIFA World Cup Soccer
$4.97 - Monster Madness
$4.97 - NCAA March Madness 07
$4.97 - NHL 07
$4.97 - Pro Evolution Soccer 2007
$4.97 - Winning Eleven: Pro Soccer 2007
$4.97 - World Series of Poker - TOC 2007
$4.97 - NBA Live 2006 

Plus many more.  I would go down there and check it out and grow your library of games for you or your kids for cheap. :)