um, i don't think you really can, but at the menu there should be a "New Game" button which should let you play the cases you already beat..? I think. xD
To delete a save file and start a new game you have to hold up, select and then B and you will be given the option to delete your previous save file.
open HTML file, delete "code", save file
delete the data and puted in your psp
Yes, you can delete any save game in Age of Empires III. To do this, navigate to the "Single Player" menu, select "Load Game," and then find the save file you wish to delete. Highlight the save game, and you will typically see an option to delete it. Confirm the deletion, and the save file will be removed from your list.
No it dosent
on the menu list where it says continue game, down you will find a box that says new game you press it save and press yes and you will delete the other file and have a new file.
no
just start a new game. there will be a warning, just ignore it and it will delete the file as soon as you save in the new game.
You make a new file and save over it. I'm not sure if/how you just delete one though.
No, but you can save over them.
you have to do something on the mainmenu and then it will be deleted but it takes a while for it to delete the previous save file
You press 'Up' on the control pad , press 'select',and then press 'B' at the same time on the title screen to delete your save file.