In Pirates of the Caribbean Online you can walk on your ship and steer or gun on your or somebody else's ship. It's free for online but if you want all the features like be able to buy all ships and have all weapons you will have to pay.

Create your own Pirate character - Choose from millions of combinations to fully customize your character (shapes, colors, clothing, names, etc.)!

Set sail on your own Pirate ship - Purchase and captain your own ship. Recruit your crew and set sail for the adventure of a lifetime.

Quest for adventure and treasure - Embark on ship and land-based missions using secret maps to locate buried treasure. Explore lush jungles, volcanic caves, and vast tropical islands. Keep your wits about you though, as traps, ambushes, and double-crosses are an everyday occurrence when keeping company with pirates.

Use advanced weaponry - Jump into battle with a variety of weapons, each requiring a unique set of skills to master. Improve your reputation as a fighter to be reckoned with and unlock more powerful weapons.

Become a legend - Master a variety of skills, including swords, daggers, cannons, and sailing to become the most notorious pirate in the world.

Work your Voodoo Magic - Voodoo magic is used to heal, travel, cheat in games, and cast curses on enemies.

Get some Booty - Earn extra loot playing poker and blackjack.

Build a notorious Band or Guild - Join together with others for expanded adventures and added power. Form your own Band of Pirates for a quick battle or join a Guild for longer term strategy.

Grow your wealth with money and rare items - Hunt for buried treasure including gold, precious gems, and mysterious artifacts.