Quartet Cheats
Quartet cheat codes, tricks, hints, and walk throughs.
Level Select
This secret will work for a two player game only! On the Title Screen, press the PAUSE button 12 times, then hold the UPPER LEFT corner and BOTH buttons on Control Pad #2.Sound Test
On the Title Screen, press the PAUSE button 4 times, and press BUTTON #1 on Control Pad #2.Wide-Beam
On the Title Screen, press the PAUSE button 14 times, then press BUTTON #1 on Control Pad #1.
