Machinehead

Level select:
Enter KDUDK 9RDKD BSHNM as a password.

Unlimited energy:
Enter HMEHM HSD9D MDQFX as a password.

Unlimited ammunition:
Enter HMEHM HSDVD -ONMR as a password.

Ghost mode:
Enter GHO STMOD EON-- as a password.

Enable all cheats:
Enter RDS-K KSGDB GD-SR as a password.

Disable all cheats:
Enter ABCDE FGHIJ KLMNO as a password.

Lvl  Password
----------------------
1-2  Q58NM LDZCQ 4HWGE
1-3  TDM75 UH80T XO6BE
1-4  VO1PP JCP6V H4ULJ
2-1  OF20F OHX8Y OE95W
2-2  42W3T JGK-P 5J5H7
2-3  VR4T2 6EZDS SHCMM
2-4  1NBCX CXVI9 PA3KI
2-5  ZFOXD Y5KXJ Q2NGZ
3-1  2XVSD AHO3J S2MF-
3-2  WOJ8H 3Y8-D -7FRU
3-3  THYDH OMZDU 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 C42RI 2MP3P
----------------------