Sort your trophies by the game title or by the date earned.
Select Game > [Trophy Collection] or select [Compare Trophies] on your friend's profile screen, and then press the Triangle button. Select [Sort By] from the options menu that is displayed.
Sorting trophies by game title
Press the Triangle button on the screen where the titles are listed, and then select [Sort By].
Title Name: Sorts by game title.
Update Date (down): The game for which you earned your most recent trophy is displayed first.
Update Date (up): The game for which you earned your first trophy is displayed first.
Sorting trophies by earned date
Select the game title. Press the Triangle button when the list of trophies is displayed, and then select [Sort By].
Original Order: Sorts by the order that is specified by the game.
Title Name: Sorts by the name of the trophy.
Grade: Trophies are displayed in grade order, starting with the trophy with the highest grade.
Earned Date (down): Trophies are displayed in date order, starting with the trophy you earned most recently.
Earned Date (up): Trophies are displayed in date order, starting with the trophy you earned first.