Machine Head Codes -

Ammunition refill:
Press Circle(4), L1, Circle, L1(2), Circle, L1(2), Circle, L1(4)

Restore energy:
Press Circle, L1(3), Circle, L1, Circle(2), L1, Circle(3), L1(5), Circle(2), L1

Level select:
Press L1, Circle, L1(3), Circle(4), L1(2), Circle(2), L1, Circle, L1, Circle(4). Press R1 or R2 to select a level.

Stage	Easy	Normal	Hard
1-2	Q58NM	LDZCQ	4HWGE
1-3	TDM75	UH8OT	X06BE
1-4	VO1PP	JCP6V	H4ULJ
2-1	0F20F	0HX8Y	OE95W
2-2	42W3T	JGK-P	5K5H7
2-3	VR4T2	6EZD5	SHCMM
2-4	1NBCX	CXVI6	PA3K1
2-5	ZF0XD	Y5KXJ	Q2NGZ
3-1	2XVSD	AHO3J	S2MF-
3-2	W0J8H	3Y8-D	-7FRU
3-3	THYDH	0MZDU	3CZFK
3-4	1SOJ3	130BP	V2MW8
4-1	YCTS6	PUUKS	28SD1
4-2	Q29LH	UDUY4	21FSD
4-3	WS7Y6	HQPIW	BOFGK
4-4	2RHK4	RB9RU	Z1IT2
End	UP405	C42R1	2MP3P