Weapon select:
Earn ten points after defeating ten enemies, then pause game play. Enter one of the following controller actions for the corresponding weapon or bonus.

Item	Code
Laser	Up(2)
Big Bullet	Down(2)
Bouncing	Left(2)
Rapid Fire	Right(2)
Health Refill	B(2)
No change	Select

Level	Password
2	72308
3	04070
4	82048