To block all attacks, at the main menu press triangle, square, triangle, O, O, square.
Invincibility:
To activate invincibility, at the main menu hold L2 + R2 and press X, triangle, triangle, square, L1, R1.
Gold Idol room:
When you get to the waterfall, defeat all the enemies. Walk through the waterfall and you will enter a secret room with the Gold Idol.
Loot challenge easy win:
In the Loot challenge in multiplayer mode, kill the enemies with both players. Then, only have one person collect the loot.
Gold bars in Shipwreck City:
After receiving the Captain's piece of 8 from the thief, go backwards over the direction you traveled to get the thief. The gold bars will appear the second time that you travel through this path.
Unlockable swords:
Unlock the following swords by completing the corresponding levels:
Bone sword - Complete the davy jones' locker level.
Davy Jones' sword - Complete the maelstrom level.
Dutchman sword - Complete the pearl vs dutchman level.
Ghost sword - Complete the hit combo sub-mission on the isla cruces level.
Gun sword - Complete the sea battle level.
Legend sword - Complete the hit combo sub-mission on the maelstrom level.
Norrington sword - Complete the isla cruces level.
Pirate King's sword - Complete the shipwreck city level.
Unlockable characters:
Unlock the following characters by performing the corresponding tasks:
Ammand The Corsair - Complete the pirate poker sub-mission on the shipwreck city level.
Black Bart - Complete the combat challenge on the maelstrom level.
Bootstrap Bill Turner - Complete the defeat enemies sub-mission on the prison fortress level.
Cannon Arm - Complete the combat challenge on the pearl vs. kraken level.
Capitain Chevalle - Complete the port royal level.
Captain Barbossa - Complete the shipwreck city level.
Captain Elizabeth Swann - Complete the combo challenge on the davy jones locker level.
Captain Jack Sparrow - Complete the prison fortress level.
Captain Sao Feng - Complete the singapore level.
Captain Teauge - Complete the combat challenge on the prison fortress level.
Cotton - Complete the rescue sub-mission on the isla de pelegostos level.
Davy Jones - Complete pearl vs. dutchman level.
Elizabeth Swann - Complete the tortuga level.
Gentlemen Jocard - Complete the davy jones locker level.
Gibbs - Complete the combat challenge on the port royal level.
Governor Swann - Complete the combat challenge on the pearl vs. dutchman level.
James Norrington - Complete the combat challenge on the tortuga level.
Lian - Complete the combat challenge on the singapore level.
Lord Cuttler Beckett - Complete the maelstrom level.
Mercer - Complete the hit-combo sub-mission on the singapore level.
Mistress Ching - Complete the jackanism on the tortuga level.
Mordillah - Complete the combo challenge on the prison fortress level.
Pintel - Complete the isla cruces level.
Ragetti - Complete the combat challenge on the isla cruces level.
Sri Sumba Jee - Complete the combat challenge on the shipwreck city level.
Tai Huang - Complete the sea battle level.
Tia Dalma - Complete the missing person sub-mission on the port royal level.
Villanueva - Complete the combo challenge on the tortuga level.
Will Turner - Complete the isla de pelegostos level.
