Unlimited Ammo:
Enter ZXLCPMZ as a pawword.
Unlimited Lives:
Enter FJVHDCK as a pawword.
Level skip:
Enter XCDSDFS as a pawword.
Level passwords:
Easy:
2 - SDFLMSF
3 - DVLFDZM
4 - VFDSGPD
5 - CSDJKFD
Medium:
2 - VLXCZVF
3 - DPSDCVX
4 - ZMGFSCM
5 - HWKLFYS
Hard:
2 - CJSDPSF
3 - CMSDKCD
4 - SPFPWLD
5 - TPDFQGB