When the Gamecube was released, it was quickly slapped with the label "for the kiddos" by most gamers. However, there were some amazing games for the "cube" that were intended for adult audiences. Want to get your "M" rated game on while you wait for Mature titles on the Wii? Put down your Wiimote and stop playing Cooking Mama. Here are the top five "M" rated games for the Gamecube that you can pick up on the cheap while you wait for the Wii to hit puberty.