Crackdown

Downloadable content:
Some of the information for this game requires the "Keys To The City"
downloadable content, which you can download from Xbox Live for free.
After logged into the Xbox Live Marketplace, search for "Crackdown".
Find the "Free For All" download section and the "Keys To The City"
will be in there.


Completion bonus:
Kill the Volk, Los Muertos, and Shai-Gen gangs to finish the game.
When you completed a game a new option will appear at the starting
menu. Now you can respawning enemies in their districts.

Achievements:
Finish the following achievements to award the indicated amount of
Xbox Live Gamerscore points.

Volk Intel Master (10 gamerscore points):
Find all Volk dossier targets.

Volk Cleanser (40 gamerscore points):
Kill all Volk gang members.

Untouchable Agent (15 gamerscore points):
Kill 200 gang members without die.

Timed Stunt Driver (20 gamerscore points):
Perform 6 car stunts in 1 minute.

The Trifecta (50 gamerscore points):
Taking out all members of all 3 gangs.

Take Me To Your Supply Point (10 gamerscore points):
Unlock your first Supply Point.

Tag Teamer (40 gamerscore points):
Partner up and finish every mission in Co-op mode.

Stunt Driver (20 gamerscore points):
Perform 5 car stunts ( barrel rolls, front flips, back flips, long jump)

Shot-putter (10 gamerscore points):
Throw any item except grenade to 205 feet or more.

Shai-Gen Intel Master (10 gamerscore points):
Find all Shai-Gen dossier targets.

Shai-Gen Cleanser (50 gamerscore points):
Kill all Shai-Gen gang members.

Roadkill King (15 gamerscore points):
Mow down and kill 175 gang members while driving.

Road Warrior (30 gamerscore points):
Finish all 14 Road Races.

Ring Leader (20 gamerscore points):
Drive through all of the unique Stunt Markers.

Repo Man (10 gamerscore points):
Commandeer 100 gang-controlled vehicles.

Rampage (20 gamerscore points):
Wreak havoc in 60-second increments.

Over Our Heads (30 gamerscore points):
Finish all 12 Rooftop Races.

Orb Hunter (50 gamerscore points):
Pick up 300 Hidden Orbs.

Master Agent (40 gamerscore points):
Reach 4-star ranking in all 5 skill areas and then max out your
Skills Status.

Mad Bomber (15 gamerscore points):
Massacre 500 gang members by using explosives.

Los Muertos Intel Master (10 gamerscore points):
Find all Los Muertos dossier targets.

Los Muertos Cleanser (20 gamerscore points):
Massacre all Los Muertos gang members.

It's Good To Be Connected (30 gamerscore points):
Unlock all Supply Points.

High Flyer (10 gamerscore points):
Make your way to the top of the Agency Tower.

Hazardous Hangtime (10 gamerscore points):
Execute a 6-second jump in a vehicle.

Global Impact (15 gamerscore points):
Kill 15 gang members using the Observatory Globe.

Front Flipper (20 gamerscore points):
Perform 2 forward flips in a single jump in a moving vehicle.

Free Runner (50 gamerscore points):
Pick up 500 Agility Orbs.

First Blood (10 gamerscore points):
Kill the first of 21 gang bosses.

Firing Squad (15 gamerscore points):
Massacre 500 gang members using firearms.

Driving High (10 gamerscore points):
Get a height of 115 feet or more in a vehicle.

Double Trouble (10 gamerscore points):
Finish your first mission in Co-op mode.

Chain Banger (10 gamerscore points):
Blow up 100 explosive objects less tahn 1 minute.

Car Juggler (20 gamerscore points):
Keep a car up in the air for 7 seconds by blowing up explosives.

Body Juggler (20 gamerscore points):
Keep a car up in the air for 10 seconds by blowing up explosives.

Base Jumper (10 gamerscore points):
Perform a base jump from the top of the Agency Tower and land
in the water.

Bare-Knuckle Brawler (15 gamerscore points):
Massacre 150 gang members by throwing items or with your bare hands.

Airtime Assassin (10 gamerscore points):
Kill 5 gang members in a single jump (while airborne).

Agency Wheelman (20 gamerscore points):
Accelerate and slide your way to get a 4-star Driving ranking.

Agency Marksman (20 gamerscore points):
Hit your target every time to get a 4-star Firearms ranking.

Agency Explosives Expert (20 gamerscore points):
Bomb your way to get a 4-star Explosives ranking.

Agency Brawler (20 gamerscore points):
Punch, jab, kick, and throw your way to get a 4-star Strength ranking.

Agency Athlete (20 gamerscore points):
Run and jump your way to get a 4-star Agility ranking.


Secret Achievements:

Street Racer Elite (150 gamerscore points):
Win the first place on all Street Race using all available vehicles.

Street Racer (20 gamerscore points):
Win the first place on all Street Race using any vehicle(s).

Psych Out (100 gamerscore points):
Finish all Time Trial missions on the Psychotic difficulty setting.

Pack Rat (10 gamerscore points):
Finish any Stockpile mini-game in Co-op mode in less than 120
and 30 seconds.

Flippin' Crazy (20 gamerscore points):
Perform three flips of any type in a single jump in any vehicle.

Confiscator (40 gamerscore points):
Impound all flagged vehicles and store them in the Agency Garage.

Body Armor (10 gamerscore points):
Attach 5 gang member corpses to a vehicle by using the Harpoon gun.