Extra Unlockables
     From  Main Menu Select Options, Select Extras, Select Enter Code,
Enter Code in all Caps.

HARDHITTER               Gold Breaker Hammer

MAPMAYHEM                Unlock 4 Pre-Reserve Multiplayer Maps



Achievements
     Complete  each achievement to get the allotted gamerscore. If you
have an Xbox 360 gamertag, you can log in using this same gamertag and
the  achievements  will  count the same as if you were playing the 360
version.

A Winner is You! (20)    Win 250 matchmaking games.

Battle Scarred (25)      Earn 10,000 XP in Multiplayer.

Best Friends 
Forever (10)             Kill 100 EDF with the sledgehammer 
                         during the Campaign.

Broken Supply Line (10)  Destroy 250 EDF supply crates.

Can't Get Enough (20)    Play every mode on all maps in Wrecking Crew.

Check Your Map (10)      Finish a match on every map in Multiplayer.

Clean 
and Righteous! (15)      Destroy 5 High Importance targets.

Coming Down! (10)        Destroy 50 EDF owned buildings.

Coup D'etat (50)         Liberate Eos Sector.

Courier of Pain (20)     Score 5,000 kills in Multiplayer.

Death From Above (20)    Liberate Dust Sector.

Detective (20)           Complete 8 hidden challenges in Multiplayer.

Disaster Area (50)       Destroy 1 billion credits worth of EDF property.

Doing Your Part (10)     Kill 10 enemies in a Matchmaking Match.

Don't Tread On Me (40)   Liberate Oasis Sector.

Doozer (5)               Reconstruct a Damage Control target.

Experimenter (10)        Complete 4 hidden challenges in Multiplayer.

Field Tested (10)        Earn 1,000 XP in Multiplayer.

Free Your Mind (25)      Destroy all instances of propaganda.

Freed Space (10)         Destroy 50 EDF flyers.

Freedom Fighter (15)     Complete 50 Guerrilla Actions.

Friendly Skies (30)      Liberate Badlands Sector.

Got Any Fingers 
Left? (15)               Beat all Pro times in Demolitions Master.

Grab Some Popcorn (5)    Enter Spectator mode and enjoy the show!

Guerrilla (10)           Complete 25 Guerrilla Actions.

Insurgent (5)            Complete 5 Guerrilla Actions.

Jack of all Trades (10)  Score 10 kills while wearing each backpack.

Juggernaut (5)           Destroy a Siege target.

Just the Beginning (5)   Win a Matchmaking match.

Lost Memories (25)       Locate all missing radio tags.

Mad Genius (40)          Complete 16 hidden challenges in Multiplayer.

Martian Tea Party (10)   Complete 2 missions for the Red Faction.

One Man Army (25)        Complete 25 killing sprees during the Campaign.

Party Time (10)          Play all Wrecking Crew modes once.

Power 
to the People (10)       Raise the Morale of 3 sectors to 100%.

Red Dawn (100)           Liberate Mars.

Red Faction Member (50)  Play online with another player 
                         who has completed the Campaign.

Revolutionary (25)       Complete all Guerrilla Actions.

Spread the Word (10)     Liberate Parker Sector.

Start of Something 
Special (5)              Play 5 Matchmaking matches.

Tank Buster (10)         Blow up 100 small hydrogen tanks.

The High 
and Mighty (10)          Kill a flying opponent 
                         using a remote charge stuck to them.

Tools of the Trade (10)  Score a kill with every weapon in Multiplayer.

Topher 
Would Be Proud (20)      Play 250 matchmaking games.

Try Anything Once (10)   Finish a match in every mode.

War Veteran (50)         Earn 100,000 XP in Multiplayer.

Warp Speed (15)          Beat all Transporter Pro times.

Welcoming 
Committee (10)           Complete the Tutorial mission.

Working the Land (25)    Mine all ore locations.

Wrecking Ball (40)       Score 25 million points worth of destruction 
                         in Wrecking Crew.