Take down another racer in Arms Race

Play 10 Online Hot Pursuits as a Cop

Play 10 Online Interceptors as a Racer

Reach rank (3) Officer as a Cop

Play 5 games of Most Wanted as a Cop

Reach wanted level (8) Offender as a Racer

Get a hit with an EMP

Reach wanted level (6) Felon as a Racer

Play 5 games of Most Wanted as a Racer

Fill the Nitrous bar then use it all in one go without hitting anything

Obtain all trophies and become a legendary archaeologist

Talk to Ghasper in each room

Post every letter in the house