To unlock the Code 9807 case, complete all cases on Hard.

To unlock all tracks, complete all cases and Code 9807 on Hard.

To unlock File mode, complete a case on Normal or higher. In File mode, you can replay a previously completed mission on a case.

To unlock the sports car and race car, complete a case.

Achievements:

Beginner's Luck Easy (10 points) - Solve the case "Beginner's Luck" on Easy level.
Beginner's Luck Normal (20 points) - Solve the case "Beginner's Luck" on Normal level.
Beginner's Luck Hard (30 points) - Solve the case "Beginner's Luck" on Hard level.
Murder at km 109 Easy (10 points) - Solve the case "Murder at km 109" on Easy level.
Murder at km 109 Normal (20 points) - Solve the case "Murder at km 109" on Normal level.
Murder at km 109 Hard (30 points) - Solve the case "Murder at km 109" on Hard level.
Traffic Control Easy (10 points) - Solve the case "Traffic Control" on Easy level.
Traffic Control Normal (20 points) - Solve the case "Traffic Control" on Normal level.
Traffic Control Hard (30 points) - Solve the case "Traffic Control" on Hard level.
A Series of Accidents Easy (10 points) - Solve the case "A Series of Accidents" on Easy level.
A Series of Accidents Normal (20 points) - Solve the case "A Series of Accidents" on Normal level.
A Series of Accidents Hard (30 points) - Solve the case "A Series of Accidents" on Hard level.
Undercover Easy (10 points) - Solve the case "Undercover" on Easy level.
Undercover Normal (20 points) - Solve the case "Undercover" on Normal level.
Undercover Hard (30 points) - Solve the case "Undercover" on Hard level.
Mere Chance Easy (10 points) - Solve the case "Mere Chance" on Easy level.
Mere Chance Normal (20 points) - Solve the case "Mere Chance" on Normal level.
Mere Chance Hard (30 points) - Solve the case "Mere Chance" on Hard level.
Old Friends Easy (10 points) - Solve the case "Old Friends" on Easy level.
Old Friends Normal (20 points) - Solve the case "Old Friends" on Normal level.
Old Friends Hard (30 points) - Solve the case "Old Friends" on Hard level.
The Wager Easy (10 points) - Solve the case "The Wager" on Easy level.
The Wager Normal (20 points) - Solve the case "The Wager" on Normal level.
The Wager Hard (30 points) - Solve the case "The Wager" on Hard level.
Code 9807 Easy (10 points) - Solve the case "Code 9807" on Easy level.
Code 9807 Normal (20 points) - Solve the case "Code 9807" on Normal level.
Code 9807 Hard (50 points) - Solve the case "Code 9807" on Hard level.
Test Driver (50 points) - Drive all vehicles in single-player mode.
Track Tester (50 points) - Drive all tracks in single-player mode.
Fast (10 points) - Drive faster than 220 km/h for 10 seconds in any vehicle.
Faster (20 points) - Drive faster than 280 km/h for 5 seconds in any vehicle.
Fastest (30 points) - Reach 350 km/h in any vehicle.
!esreveR (20 points) - Drive in reverse gear for 100 meters at a minimum speed of 10 km/h without collisions.
Far Ahead (20 points) - Stay in the lead by 100 meters for at least 5 seconds.
Nitro Burner (20 points) - Use up an entire nitro charge in one burst without collisions.
Dirt Drive (10 points) - Drive the 'Semir' until the car is covered in dirt.
Builder (10 points) - Drive through a site hut.
Schuminator (30 points) - Lap your opponent and win a single race.
Clear the drains! (30 points) - Spiral down a sewer tunnel.
Flyover! (30 points) - Land a perfect jump from the sewers across the Rhine.
Acknowledgments (10 points) - View the entire credits sequence.
Leading Light (50 points) - Test the Police light.
Crash Drive (10 points) - Knock over 1,000 objects.
Kilometer Hunter (40 points) - Drive 1,000 kilometers.