Neo Geo Pocket

NGPC Backwards Compatibility
The Neo Geo Pocket Color is entirely backwards compatible with Neo Geo Pocket games, but most people don't realize that if you REALLY can't get your hands on a NGPC, the Neo Geo Pocket could play ALMOST any color game, just not in color. A few exceptions, like Match of the Millennium, actually had some hidden pictures or other silly little extras if you tried a reversal play. Not that NGPC are rare, they're easier to find than a NGP...

Oh and you can hook up your NGPC to a DC for other goodies.