Most of people nowadays are looking for free full downloadable Nintendo DS lite Games. You can find a lot of of those games on torrent but there's one problem. Those torrent are compilation of different games(including those you didn't like) and mostly has a very big filesize. It will took you a very long time of downloading those games. But it is not over yet! Because this is the right place for you.
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Here are two websites I found by searching for those that offers free downloads of Nintendo DS Lite games ROMs in zip file formats. Download it your own risk.