Correction: Burnout 3: Takedown is on PS2/Xbox. The PSP game is Burnout Legends (2005) – a port of Takedown + Burnout 2 content.
Unlocking in Burnout Legends (PSP):
Tip: Focus World Tour Golds. Use Boost Chaining (burnout → boost → takedown → burnout) for speed events. Aftertouch (O) steers wreck for Crash junctions.