Cannon cheat:
Go into your potc file and look in resource file then ini file and click on cannons. You can change you cannon properties here.

Change anything!:
In order to get as much money as you want, fly a flag for a different country, get a free ship or anything else you want, you must go to your pirates of the caribbean character folder. The default location for this folder is C:\Program Files\Bethesda Softworks\Pirates of the Caribbean\PROGRAM\Characters Now, go to the file characters_init. Now have fun changing anything you want. Always make a backup of the file first though!

Level Codes:
Put in one of the following level codes to skip to a level with max health

RPZK04HQ56
6L9QFVBH1Z
S3YP9P?6QR
XBTBYFJXW?
P4RMGLXR?R
X3PQ730JXY
?Z4YVTXSTZ
DNNBSZPW6P

Customize Nathaiel Hawk:

***After Stats are changed must start a new game. Also backup folder.****Characters Skill points can't go over 10 or game won't start.

1)open POC game folder. Which would be found under Bethesda Softworks.

2)After POC folder is open. Open the folder named Program.

3)Next open the folder named Characters.

4)After that open the file Named characters_init.

5)Once that open scroll down until you see

makeref(ch,Characters[0]); //Blaze Devlin
//ch.perks.list.InstantBoarding = true;
ch.name = "Bob";
ch.lastname = "JR";
ch.id = "Blaze";
ch.nation = ENGLAND;
ch.model = "blaze";
ch.activity_begin = "0";
ch.activity_end = "24";
ch.sex = "man";
ch.luck = 8;
/*ch.spyglass.itemID = COMMON_SPYGLASS;
ch.gun.itemID = GUN_COMMON;
ch.gun = "gun";
ch.blade = "saber";
ch.blade.itemID = BLADE_SABER;
ch.blade.time = 0.1;
ch.blade.colorstart = argb(128, 22, 46, 190);
ch.blade.colorend = argb(0, 20, 60, 100);*/
ch.location = "";
ch.location.group = "";
ch.location.locator = "";
ch.Dialog.Filename = "blaze_dialog.c";
ch.rank = 8;
ch.reputation = "70";
ch.experience = 0;//CalculateExperienceFromRank(sti(ch.rank));
ch.skill.Leadership = "10";
ch.skill.Fencing = "10";
ch.skill.Sailing = "8";
ch.skill.Accuracy = "8";
ch.skill.Cannons = "8";
ch.skill.Grappling = "8";
ch.skill.Repair = "9";
ch.skill.Defence = "8";
ch.skill.Commerce = "8";
ch.skill.Sneak = "8";
ch.skill.freeskill = 2;
ch.perks.freepoints = 35;
ch.money = "100000000";
ch.Ship.Name = "Victory";
//ch.Ship.Type = SHIP_FRIGATE_ENGLAND;
//ch.Ship.Type = SHIP_CORVETTE_ENGLAND;
ch.Ship.Type = SHIP_LUGGER_ENGLAND;
//ch.Ship.Type = SHIP_MANOWAR2_FRANCE;
ch.Ship.Stopped = true;
//ch.Ship.Cannons.Type = CANNON_TYPE_TEST;
ch.FaceId = 31;
ch.ShipSlot1.Type=SHIP_NOTUSED;
ch.ShipSlot1.Name="NoName";
ch.ShipSlot2.Type=SHIP_NOTUSED;
ch.ShipSlot2.Name="NoName";
ch.ShipSlot3.Type=SHIP_NOTUSED;
ch.ShipSlot3.Name="NoName";

As you can see i changed Nathaniel Hawk name to Bob JR you can also change many other things. I've only changed the skill points, name and the starting money amount. So I have not tested the rest.