Here is the full list of all 20 Need for Speed: Hot Pursuit achievements worth 200 gamerscore.
You got 3 Stars on all events in Tier 1
You drove without colliding for a total of 15 miles (20 km)
You drove 60 miles (100 km)
You finished the tutorial.
Get 3 Stars on all events in Tier 2
Get 3 Stars on all events in Tier 3
Get 3 Stars on all events in Tier 4
Cause 50 opponents to hit Spike Strips
Get 100 Roadblock hits
Nudge 200 cars
Take down 100 Cops
Get 3 Stars on all events in Tier 1
Reach 250Mph (400 Km/h)
Drift for a total of 250 seconds
Get 50 Near Misses
Do 10 Handbrake 180s
Use Nitrous for a total of 1000 seconds