Locate
the difficulty files in your Crysis installation folder (ie: C:\Program
Files\Electronic Arts\Crytek\Crysis\Game\Config). These files are
called diff_easy.cfg, diff_normal.cfg, diff_hard.cfg and
diff_bauer.cfg. Open the file (with Notepad) that corresponds to the
difficulty level you are playing. Add the following line to the end of
the file and save it:
g_godMode = 1
Now, when playing your health will still
decrease but you will not die. Instead, your health and armor will
automatically replenish when your health reaches 0.
Additional Cheats
Using the same method as above, add the following lines to the end of your config file for the corresponding effect:
CodesResult
i_unlimitedammo = 1Unlimited Ammo
ai_IgnorePlayer = 1Enemies Ignore You
i_noweaponlimit = 1Carry Unlimited Number of Weapons