DLC Achievements
| Unlockable | How to Unlock |
|---|---|
| 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. |
Unlockable Gamer Pics
| Unlockable | How to Unlock |
|---|---|
| Professor Anders | Complete the Campaign on any difficulty |
| Sergeant Forge | Load up HALO Wars on your profile |
Achievements
| Unlockable | How to Unlock |
|---|---|
| 2 Bugs are Better Than 1 (10) | Win a Skirmish Game with Dual Scarabs |
| 24 Hours of Quality (20) | Play Halo Wars for at least 24 Total Hours |
| Adjudicate the Arbiter (30) | Complete the Campaign on Heroic Difficulty |
| Alas, Poor Andrew Thomas (5) | Collect your first Skull |
| Backscratcher (10) | Complete any Campaign Mission in Co-op Mode |
| Basically Naive (10) | Obtain the Recruit Rank on Xbox LIVE |
| Battened Down the Hatches (5) | Mission 11: Save all the Airlocks |
| Beaming with Pride (5) | Mission 13: Destroy 25 units with the Scarab |
| Big Al's Scooter (10) | Win a Heroic Skirmish Game against the AI in under 10 minutes |
| Covenant "Hot Drop" (5) | Mission 3: Kill at least 5 Covenant Units with the Bridge |
| Crushed Colors (10) | Improve your Score in any Campaign Mission |
| Detour the Great Journey (50) | Complete the Campaign on Legendary Difficulty |
| Didn't Get To Second Base (5) | Mission 14: Don't claim an extra base |
| Empire Builder (5) | Win a game in every Skirmish Game Mode |
| Endless Fun (5) | Mission 2: Destroy every Methane Tank |
| Epic Grinder (40) | Obtain a Lifetime Campaign Score over 1,000,000 |
| Everything's Better with Bacon (5) | Mission 1: Ram 50 Grunts with Warthogs |
| Gallivant around the Galaxy (25) | Win a game on every Skirmish Map |
| Graverobber (30) | Collect all Skulls |
| Halo Academic (15) | Unlock 20 Timeline Events |
| Halo Historian (40) | Unlock All Timeline Events |
| Handy with Tools (5) | Mission 12: Repair the Power Core in less than 4 minutes |
| He's Got The Jack (5) | Mission 5: Jack 6 Covenant Vehicles |
| Ice Warriors (40) | Completed Act I on any difficulty |
| Key to Pirth (50) | Completed Act II on any difficulty |
| Meet Sergeant Forge (10) | Completed Mission 1 on any difficulty |
| Micro Manager (5) | Mission 7: Do not destroy any Power Node |
| Momma's Boy (5) | Get a Gold Medal on any mission |
| Mr. Punctual (15) | Finish all missions under Par Time on Heroic difficulty |
| My Virtual Friends Love Me (10) | Win a 3v3 Skirmish game with 2 AI Allies |
| N00b n0 M0r3 (10) | Win a Matchmade Skirmish Game on Xbox LIVE |
| No Way Home? (70) | Completed Act IV on any difficulty |
| Officer on Deck (30) | Obtain the Lieutenant Rank on Xbox LIVE |
| OMG BFF FTW (40) | Complete entire Campaign in Co-op Mode |
| Own Worst Enemy (20) | Get a Gold Medal with all Debuff Skulls Active |
| Penny Pincher (10) | Get a winning High Score with 10 or less Squads against the Heroic AI |
| Playin' the Field (15) | Win a Skirmish Game with every Leader |
| Ramblin' Man (5) | Mission 8: Use Elephants to train 100 Infantry |
| Ready for the Sequel (75) | 100% Completion |
| Rhino Hugger (5) | Mission 6: Successfully protect every Rhino |
| Running the Show (50) | Obtain the General Rank on Xbox LIVE |
| So Lonely at the Top (20) | Win and have the Highest Score in a Matchmade Skirmish Game on Xbox LIVE |
| Sweet Naptime (5) | Mission 9: Put every Colony in Hibernation Mode at the same time |
| The Procrastinator (5) | Mission 10: Disrupt all Tractor Beams |
| The Real Winner (5) | Mission 4: Save Adam |
| Thinkin' about My Doorbell (5) | Mission 15: Open the Doors in order |
| Titan (15) | Get 20,000 points in any Skirmish Game |
| Ugly is only Skin Deep (70) | Completed Act III on any difficulty |
| Walk-Off Winner (30) | Use one of the 6 Major Leader Powers to destroy an enemy's last unit |
| Wall of Recognition (30) | Get a Gold Medal on every Campaign Mission |
Unlockable Skulls
To unlock the skulls you must first meet a certain requirement, and then proceed to the location to gain the skull
| Unlockable | How to Unlock |
|---|---|
| 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
Black boxes are found in each level and unlock halo history entries.
| Unlockable | How to Unlock |
|---|---|
| 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 |
