Game Description:The bubble-launching madness of Bust-a-Move bursts onto PSP with over 1,000 game boards just waiting to hook you! Usual Bust-a-Move suspects Bob and Bub are joined by six new friends, including two unlockable characters. The classic Bust-a-Move play - pop matching colored bubbles to solve puzzles - remains as addictive as ever. Pop till you drop in four never-before-seen, PSP-exclusive games, including Running Launcher, Mix 'Em Up, Time Warp, and Double Shot. Ghost Mode adds a new, spooktacular twist with a Heart Meter and a wily Ghost Bubble. Challenge a friend to interactive multiplayer battles and share the mayhem!