Halo Wars Cheats

Battened Down the Hatches: Mission 11: Save all the Airlocks (5)
Handy with Tools: Mission 12: Repair the Power Core in less than 4 minutes (5)
Beaming with Pride: Mission 13: Destroy 25 units with the Scarab (5)
Didn’t Get To Second Base: Mission 14: Don’t claim an extra base (5)
Thinkin’ about My Doorbell: Mission 15: Open the Doors in order (5)
Backscratcher: Complete any Campaign Mission in Co-op Mode (10)
OMG BFF FTW: Complete entire Campaign in Co-op Mode (40)
Playin’ the Field: Win a Skirmish Game with every Leader (15)
Gallivant around the Galaxy: Win a game on every Skirmish Map (25)
Empire Builder: Win a game in every Skirmish Game Mode (5)
Titan: Get 20,000 points in any Skirmish Game (15)
Big Al’s Scooter: Win a Heroic Skirmish Game against the AI in under 10 minutes (10)
My Virtual Friends Love Me: Win a 3v3 Skirmish game with 2 AI Allies (10)
Walk-Off Winner: Use one of the 6 Major Leader Powers to destroy an enemy’s last unit (30)
2 Bugs are Better Than 1: Win a Skirmish Game with Dual Scarabs (10)
Penny Pincher: Get a winning High Score with 10 or less Squads against the Heroic AI (10)
N00b n0 M0r3: Win a Matchmade Skirmish Game on Xbox LIVE (10)
So Lonely at the Top: Win and have the Highest Score in a Matchmade Skirmish Game on Xbox LIVE (20)
Basically Naive: Obtain the Recruit Rank on Xbox LIVE (10)
Officer on Deck: Obtain the Lieutenant Rank on Xbox LIVE (30)
Running the Show: Obtain the General Rank on Xbox LIVE (50)
Alas, Poor Andrew Thomas: Collect your first Skull (5)
Graverobber: Collect all Skulls (30)
Halo Academic: Unlock 20 Timeline Events (15)
Halo Historian: Unlock All Timeline Events (40)
Ready for the Sequel: 100% Completion (75)
24 Hours of Quality: Play Halo Wars for at least 24 Total Hours 20)
Secret Achievement: Continue playing to unlock this secret achievement (10)
Secret Achievement: Continue playing to unlock this secret achievement (40)
Secret Achievement: Continue playing to unlock this secret achievement (50)
Secret Achievement: Continue playing to unlock this secret achievement (70)
Secret Achievement: Continue playing to unlock this secret achievement (70)

Strategic Options DLC Achievements
Complete each achievement to get the allotted gamerscore.

Freak on a Streak (20): Gain at least 15 population from a single wave in a Reinforcement game.
Living Loving Bug (30): Obtain a Scarab during a Reinforcement game.
One and Done (30): Score the winning point in a game of Keepaway against Legendary A.I.’s.
Pull Hard, Pull Deep (20): Win and never trail in a Tug of War game.

DLC Achievements
Complete each achievement to get the allotted gamerscore.

Drain Cleaner (30): Kill 20 enemy squads with a continuous Covenant Leader Power on Memorial Basin.
Killjoy (25): Disrupt 5 active Leader Powers in a single game on Blood River.
Never Leave a Man Behind (15): Finish with 5000 net resources tributed to your teammates on Memorial Basin except in Deathmatch.
Tour Coming Through (30): Hot drop 50 squads to your Covenant Leader in a single game on Barrens.

Skulls Locations/Requirements
In each mission, you must meet the requirement before heading to the skull's location.

Skull Name: Boomstick (Mission 12: Repairs): Kill 12 Spirit Transports - take a Hawk to the Lower 2 Airlocks and it its right up the Little ramp in the Air
Skull Name: Bountiful Harvest (Mission 14: Reactor): Kill 20 Vampires - head to the Second Covenant Base and its in the Far corner at the bottom of the next ramp
Skull Name: Catch (Mission 10: Shield World): Kill 350 Swarms - get at least 2 Hornets and fly East of you base past the First Tower to a Plateau with covered with Flood Eggs it is in the center
Skull Name: Cowbell (Mission 3: Relic Interior): Kill 45 Hunters - take a Grizzly, Anders, Forge and Your Marines Back to where they were held up on the central pad
Skull Name: Emperor (Mission 15: Escape): Kill 3 Scarabs - Head the to Very North of the Map and its dead Center of all the flood
Skull Name: Fog (Mission 5: Arcadia Outskirts): Kill 5 Wraiths - get a Warthog and rush back up the Tracks to the left of your Main Base and just keep going straight past the split in the Tracks
Skull Name: Grunt Birthday Party (Mission 2: Relic Approach): Kill 20 Jackals - head back to Alpha Base with a Worthog its in the south end of the base
Skull Name: Look Daddy! (Mission 1: Alpha Base): Kill 100 Grunts - get a Warthog and rush back to the front gate of Alpha base the skull is where the Marines were held up
Skull Name: Pain Train (Mission 13: Beachhead): Kill 10 Bomber Forms - head back to the Beginning of the Map by the First Teleporter and head down the Path to a Flood nest and its right next to it
Skull Name: Rebel Leader (Mission 9: The Flood): Kill 20 Flood Stalks - just to the North East of your Main Base is a downed Pelican. Just take a Warthog to claim it fast and easy
Skull Name: Rebel Supporter (Mission 8: Anders' Signal): Kill 750 Infection Forms - head to North Side of the Map where you got the Elephant, head east towards a cliff, But you'll see a ridge. Go into ridge
Skull Name: Rebel Sympathizer (Mission 7: Scarab ): Kill 10 Locusts - get a Warthog and take it to the Top Left of the Map where there was 2 Locusts and a Power Nod its right there
Skull Name: Sickness (Mission 6: Dome of Light): Kill 50 Banshees - take a Squad of Marines to the Hanger Behind your Base its right there
Skull Name: Sugar Cookies (Mission 11: Cleansing): Kill 100 Sentinels - take a Hornet to the front end of the Spirit Of Fire and it is right on the nose of the Ship
Skull Name: Wuv Woo (Mission 4: Arcadia City): Kill 50 Elites - where you Set up Base Two in the Streets there are some stairs Next to it leading to a Bronze Statue Its next to the Statue

Black Boxes
The black boxes that can be found in each level unlock new Halo History entries, which goes toward getting the 100% achievement. There are also some unlocked by playing in different Skirmish matches.

All Others: Win on each Skirmish map and win Skirmish with each leader
Black Box 01 - Alpha Base: Under the last bridge before entering Alpha Base
Black Box 02 - Relic Approach: Top left of the map, behind a Covenant shield
Black Box 03 -Relic Interior: On the small ramp on the left side right at the start, before going inside the Relic
Black Box 04 - Arcadia City: Just north of the starting point, right next to the skyscraper where you can save Adam
Black Box 05 - Arcadia Outskirts: Go down the first ramp as you are fleeing from the Covenant, it's behind a downed Pelican
Black Box 06 - Dome of Light: Far left of the map, to the left of where you transport the third Rhino tank
Black Box 07 - Scarab: Far right side of the map, in a small alcove with supply crates
Black Box 08 - Ander' Signal: Near the big brute fire line at the start, on a ridge to the right
Black Box 09 - The Flood: Straight out from the base ramp on the other side of the map
Black Box 10 - Shield World: Alongside Bravo platoon, which is the middle platoon you pick up
Black Box 11 - Cleansing: Left rear of the ship, on wings that slant down...you'll need a flying unit
Black Box 12 - Repairs: Left edge of Spirit of Fire, not far from the Power Core building, on the left side
Black Box 13 - Beachhead: On a ledge near the second set of teleporters, near the Covenant base
Black Box 14 - Reactor: Up and left at the top of the first ramp, on the edge of the ramp
Black Box 15 - Escape: Directly opposite the starting point on the north edge of the map, between the Flood and the Covenant base

"Gold" Rank Requirements
Earn the indicated amount of points within the listed time limit to get a "Gold" rank in the corresponding mission:

Mission 1 (Alpha Base): Over 27,000 points within 5 to 12 minutes.
Mission 10 (Shield World): Over 55,000 points within 23 to 32 minutes.
Mission 11 (Cleansing): Over 30,000 points within 23 to 30minutes.
Mission 12 (Repairs): Over 32,000 points within 10 to 20 minutes.
Mission 13 (Beachhead): Over 40,000 points within 20 to 60 minutes.
Mission 14 (Reactor): Over 30,000 points within 15 to 30 minutes.
Mission 15 (Escape): Over 30,000 points within 20 to 33 minutes.
Mission 2 (Relic Approach): Over 70,000 points within 15 to 30 minutes.
Mission 3 (Relic Interior): Over 45,000 points within 8 to 18 minutes.
Mission 4 (Arcadia City): Over 50,000 points within 21 to 23 minutes.
Mission 5 (Arcadia Outskirts): Over 40,000 points within 21 to 23 minutes.
Mission 6 (Dome of Light): Over 45,000 points within 15 to 30 minutes.
Mission 7 (Scarab): Over 32,000 points within 12 to 24 minutes.
Mission 8 (Anders' Signal): Over 30,000 points within 18 to 30 minutes.
Mission 9 (The Flood): Over 35,000 points within 18 to 30 minutes.

Skulls
Each of the skulls has a different effect once collected and activated through the pause menu, as well as going towards the achievements "Alas, Poor Andrew Thomas" and "Graverobber"

Skull 01 - Alpha Base: Kill 100 Grunts, appears east of the entrance to Alpha Base.
Skull 02 - Relic Approach: Kill 20 Jackals, appears at the bottom of your base.
Skull 03 - Relic Interior: Kill 45 Hunters, appears where you rescue Anders and the Marines.
Skull 04 - Arcadia City: Kill 50 Elites, appears south of the Covenant base on the east side of the map.
Skull 05 - Arcadia Outskirts: Kill 5 Wraiths, appears at the northern-most part of the highway on the west side of the map.
Skull 06 - Dome of Light: Kill 50 Banshees, appears on the small platform where you lock down the third Rhino.
Skull 07 - Scarab: Kill 10 Locusts, appears by the northeastern most power node.
Skull 08 - Anders' Signal: Kill 750 Infection Forms, appears north of where you set up base.
Skull 09 - The Flood: Kill 20 Flood Stalks, appears just east of your base, near a downed Pelican.
Skull 10 - Shield World: Kill 350 Swarms, appears on a small island between the southern Pylons(need an air unit)
Skull 11 - Cleansing: Kill 100 Sentinels, appears at the back end of the ship where the cleansing shields start(need an air unit).
Skull 12 - Repairs: Kill 12 Spirit Transports, appears near the back of the ship, just above the two interlocks(need an air unit).
Skull 13 - Beachhead: Kill 10 Bomber Forms, appears in the small valley west of where you start the level.
Skull 14 - Reactor: Kill 20 Vampires, appears at the bottom of the third ramp, between the second Covenant base and the wall of the mountain.
Skull 15 - Escape: Kill 3 Scarabs, appears in the middle of the north part of the map, in the middle of the Flood.

Unlockable Gamer Pictures
Unlock new gamer pictures by accomplishing these tasks.

Professor Anders: Complete the Campaign on any difficulty
Sergeant Forge: Load up HALO Wars on your profile