Sony Computer Entertainment of America announced today that they'll be adding ten new titles to the PlayStation Portable's Greatest Hits library. Starting April 5th, the following games will be on sale for $19.99 each:

• God of War Chains of Olympus (SCEA)
• Medal of Honor Heroes 2 (EA)
• Mortal Kombat: Unchained (Midway)
• Patapon (SCEA)
• SOCOM U.S. Navy SEALs: Tactical Strike (SCEA)
• Sonic Rivals 2 (Sega)
• SpongeBob SquarePants: The Yellow Avenger
• Tom Clancy's Ghost Recon Advanced Warfighter 2 (Ubisoft)
• Tom Clancy's Rainbow Six Vegas (Ubisoft)
• Fight Night Round 3 (EA)

Each game on this list will receive new packaging to befit their Greatest Hits status. Can't show up to the ball in an old dress, after all. Note that the Greatest Hits library is only for North America; PAL territories and Asia have different programs known as "The Platinum Range" and "The Best" respectively which have their own specific offerings.