The following are known Gecko Codes for Alone in the Dark on Nintendo Wii (Wii).

Infinite Ammo for Handgun and Infinite Spray (Weapon/Healing) [lindtec]
2057C898 00006001
041B7A4C 60000000
041BE444 60000000
041BE898 60000000
E0000000 80008000
2057C898 00006002
041B7A4C D0230040
041BE444 D01F0050
041BE898 D03C0050
E0000000 80008000
Press C+Z+Left to activate and C+Z+Right to deactivate.
Make sure, you have at least 1 bullet and a bit of spray left.

Can't die from bloodloss in the Level "Lifeline" [lindtec]
2057C898 00006008
040E5D3C 60000000
040E60A0 60000000
040E60A8 60000000
E0000000 80008000
2057C898 00006004
040E5D3C D03D0370
040E60A0 D03D0E0C
040E60A8 D01D0E0C
E0000000 80008000
Press C+Z+Up to activate and C+Z+Down to deactivate.
This only works in the Level "Lifeline" and you will still lose health when attacked.