Crackdown

This achievement is made easy with a pretty nifty trick. I did 30 of the races with the Agency Supercar.

At the start of the race, turn around and go to the Agency building. You will still be allowed to get a vehicle from the garage! Grab a Supercar and head back to the race.

There are two things you can do now:
- Get out of the car after the first checkpoint, press Back and restart the same race
- Attempt to complete the race

I would do the first as it would be good to get a good lead and you'll feel more confident with it. If you want to use the Supercar in the next race, get out of the car IMMEDIATELY after you finish the race or the car will not be there when you start again!

An easy, albeit a time consuming way, is at the beginning of the race, go to the location that the globe for the Global Impact achievement is. There should be who cargo crates there. You can take these and place them on a track along with any other debris you can find (including the arrow blocks), to create a roadblock to stop the opponents in their tracks.

This works much like d3vilsNight's explanation for using the arrow blocks, but these crates do not respawn between races, and are much better at stopping the cars. Placing them just before the starting line works best, that way you get the most amount of time to prepare.

Once the cars are stopped, then you can shoot the tanks and destroy the cars until you're the only racer left. Watch out though, sometimes destroying a car can shake the roadblock loose, allowing the other racers to break through. After all the cars are destroyed, all you need to do is finish the race.

Note: Using this method takes time, and offers no challenge. If all you want is the achievement and have plenty of time on your hands, then this works perfectly.

Hope this helps!

This Achievement is not hard - but it does take time and effort.

Repeat the following for each race. This worked for every race except one for me. I had to actually win one of them legitimately.

As soon as the race starts, get out of your car. Aim your gun on the gas tank of the nearest enemy car and attempt to blow it up. Sometimes you will get a free one here, sometimes they will drive away too fast. Either way, get back in your car, turn around and drive BACKWARDS on the track a SHORT while. The reason for this is, so that you get 3 chances to shoot all the enemy cars before they make their 3 laps, since you are waiting for them BEFORE the finish line.

Now, I usually try to find an area with a sharp curve in the road, and with many of the "arrow blocks" nearby. Now I will pick up all the arrow blocks and pile them up in the middle of the road, right on a curve if possible.

Now get a good position where you can see cars coming down the track (so you can lock onto them as soon as possible) and wait.

When the cars start coming around, HOPEfully the blocks will stop their movement, or AT LEAST slow them down long enough to destroy them all. And don't worry if you miss a few after the first lap. Just pile up the blocks again, and some destroyed cars, wait for the next lap and try again.

Usually I would have all the opponents destroyed on the 1st or 2nd lap. Then you will see that you are position 1 of 1. Now simply complete the race at your own pace, and you will get 1st place.

Repeat for each car on each track and you will get it.

* The only track I was unable to use this method on was one of the Dirt race tracks (don't remember the name, but it had some dirt and some pavement) using the supercars. They would always speed by too fast to shoot and there was almost nothing to use as roadblocks. That one I actually had to try about 10 times to win legitimately. But this process worked on EVERY other race for me - EASILY!!!

Good luck!

Thanks to Uncaged Stalker for the absolutely best, easiest strategy to complete this. I am now going to improve and expand upon his method.

There are five races, each with six cars that must be used. Each race, those cars will vary.

Easiest method, if you have 4-Star driving skill, is to completely ignore these cars (skip to the end for the non-4-star method).

Rather, start the race with the first car in each map, then immediately drive back into the Agency Tower. Go to the garage and switch out to the Agency Super Car. Drive back and find the beginning of the race again. Park the Supercar a little ahead of the starting line, then hit select and restart the race. Now your Supercar will be right there, ready for you to swap out into!

This car is faster than all of the others in the game, so you'll have an easy time racing with it. When the race begins, switch into the Supercar, then wait for the other racers to finish their first lap (or you can backtrack to a good point and wait).

When the lead racer is about to pass you, start driving. Let them pass you one-by-one, and one-by-one, blast 'em to death and take 'em out. It's MUCH easier to defeat them this way than it is to try racing them.

Once you've eliminated all your rivals, complete the lap you're on and switch back to the original car you were driving. This way, you can save your Supercar for the other five races and hopefully save yourself the trouble of having to replace it - if it takes too much damage, it will begin to slow down and you'll have to get a new one.

The Agency Racecar is a tough one, though, when you have to go against it. I didn't eliminate/overtake the final driver until near the end of the last lap on the Pacific Tour race. Those Racecars have lower top speeds, but much higher rates of acceleration, so they're tricky. If you have too much trouble eliminating them during the race, you can (1) race legitimately, or (2) try the non-4-star method, which I will now outline.

NON-FOUR-STAR METHOD:

This is the most common method of completing this achievement. Start the race, then backtrack and build a large barrier to block all of the competitors from being able to make it through. You can do this really well with the barriers from the track corners.

When the cars get caught in your blockade, destroy their cars - either by beating the crap out of them with your fists, or shooting them in the gas tank (I haven't tried it but I'm told if you lock on, then press the analog toward the back of the car, it'll lock onto the tank). If you're doing this method because you had trouble eliminating the others mid-race, using the Supercar's machine gun to destroy them at the blockade is a marvelous and easy technique.

Additionally, don't worry about destroying all of them on their first pass. There are three laps - you have three attempts to destroy each car. If a couple slip through, just build a better blockade and try again.

Lastly, once you've destroyed all of the rival cars, unblock the track, return to your car, and complete the race with ease. Good job, Agent.

If UNCAGED STALKER's isn't quite cutting it try this. Once you have the supercar and have restarted the race, move your original car sideways in the middle of the track and get in the supercar. Then go backwards to the last curve and wait. When the other cars lap you they are easy pickings. Just follow along and shoot them till they drop out. Your original car will slow some of them down. I had to do this for Hope Springs as it has almost no straight aways for me to catch up and I corner like a sick Elk. Also if every one else is gone you can park your car before the finish line and walk across. That way it is quicker to get to and won't get hit and damaged in the beggining of the next race.

There is no short way of doing this achievement, although there is a way to make it significantly easy.

Just get a friend and do it co-operatively together, when the race begins drive along normally and find a good spot from where you could ambush the other drivers. Depending on the track there should be rocks and roadblocks available to stop the other drivers. Once you have found a good place, PARK BOTH YOUR CARS SOMEWHERE SAFE, YOU WILL NEED THEM LATER TO FINISH THE RACE, (Park both cars incase by chance one of them gets blown up in the chaos that follows). When the other drivers come round for the second time now, your roadblock should give you enough time to pop their tyres and then shoot their fuel tanks. This means you will have an easy drive round the track until you win.

Note: you cannot pop the tyres of the agency super car. Although they are very easily stopped by rocks or roadblocks.