1. 1 Player
2. 2 Player
3. Option
3.1 Game Level (Easy, x Normal, Hard)
3.2 Shot 
3.3 Missile
3.4 Power Up
3.5 Shot Automode (x On, Off)
3.6 Power Up Automode (On, x Off)
3.7 Sound Mode (x Stereo, Mono)