While in land or boarding battle hit CNTRL F4 to do extra damage to a random enemy.
Level up
in your statistics screen, hold CNTRL and tap L to give you an instant level up.
Money
Make sure that you enable Cheats on the start up menu from configuration. Then start the game and open your inventory menu and hit control X until you receive the desired amount.
Teleport on map
To teleport to an area on the map simply hit CNTRL and Left Click on the mouse button.