• ''Gold'' rank requirements

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

    UnlockableHow to Unlock
    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.

    Contributed By: Maresh19.

  • 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.

    UnlockableHow to Unlock
    All OthersWin on each Skirmish map and win Skirmish with each leader
    Black Box 01 - Alpha BaseUnder the last bridge before entering Alpha Base
    Black Box 02 - Relic ApproachTop left of the map, behind a Covenant shield
    Black Box 03 -Relic InteriorOn the small ramp on the left side right at the start, before going inside the Relic
    Black Box 04 - Arcadia CityJust north of the starting point, right next to the skyscraper where you can save Adam
    Black Box 05 - Arcadia OutskirtsGo down the first ramp as you are fleeing from the Covenant, it's behind a downed Pelican
    Black Box 06 - Dome of LightFar left of the map, to the left of where you transport the third Rhino tank
    Black Box 07 - ScarabFar right side of the map, in a small alcove with supply crates
    Black Box 08 - Ander' SignalNear the big brute fire line at the start, on a ridge to the right
    Black Box 09 - The FloodStraight out from the base ramp on the other side of the map
    Black Box 10 - Shield WorldAlongside Bravo platoon, which is the middle platoon you pick up
    Black Box 11 - CleansingLeft rear of the ship, on wings that slant down...you'll need a flying unit
    Black Box 12 - RepairsLeft edge of Spirit of Fire, not far from the Power Core building, on the left side
    Black Box 13 - BeachheadOn a ledge near the second set of teleporters, near the Covenant base
    Black Box 14 - ReactorUp and left at the top of the first ramp, on the edge of the ramp
    Black Box 15 - EscapeDirectly opposite the starting point on the north edge of the map, between the Flood and the Covenant base

    Contributed By: RianBattle.

  • DLC Achievements

    Complete each achievement to get the allotted gamerscore.

    UnlockableHow 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.

    Contributed By: Guard Master.

  • 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"

    UnlockableHow to Unlock
    Skull 01 - Alpha BaseKill 100 Grunts, appears east of the entrance to Alpha Base.
    Skull 02 - Relic ApproachKill 20 Jackals, appears at the bottom of your base.
    Skull 03 - Relic InteriorKill 45 Hunters, appears where you rescue Anders and the Marines.
    Skull 04 - Arcadia CityKill 50 Elites, appears south of the Covenant base on the east side of the map.
    Skull 05 - Arcadia OutskirtsKill 5 Wraiths, appears at the northern-most part of the highway on the west side of the map.
    Skull 06 - Dome of LightKill 50 Banshees, appears on the small platform where you lock down the third Rhino.
    Skull 07 - ScarabKill 10 Locusts, appears by the northeastern most power node.
    Skull 08 - Anders' SignalKill 750 Infection Forms, appears north of where you set up base.
    Skull 09 - The FloodKill 20 Flood Stalks, appears just east of your base, near a downed Pelican.
    Skull 10 - Shield WorldKill 350 Swarms, appears on a small island between the southern Pylons(need an air unit)
    Skull 11 - CleansingKill 100 Sentinels, appears at the back end of the ship where the cleansing shields start(need an air unit).
    Skull 12 - RepairsKill 12 Spirit Transports, appears near the back of the ship, just above the two interlocks(need an air unit).
    Skull 13 - BeachheadKill 10 Bomber Forms, appears in the small valley west of where you start the level.
    Skull 14 - ReactorKill 20 Vampires, appears at the bottom of the third ramp, between the second Covenant base and the wall of the mountain.
    Skull 15 - EscapeKill 3 Scarabs, appears in the middle of the north part of the map, in the middle of the Flood.

    Contributed By: RianBattle.

  • Strategic Options DLC Achievements

    Complete each achievement to get the allotted gamerscore.

    UnlockableHow to Unlock
    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.ís.
    Pull Hard, Pull Deep (20)Win and never trail in a Tug of War game.

    Contributed By: Guard Master.

  • Unlockable Gamer Pictures

    Unlock new gamer pictures by accomplishing these tasks.

    UnlockableHow to Unlock
    Professor AndersComplete the Campaign on any difficulty
    Sergeant ForgeLoad up HALO Wars on your profile

    Contributed By: Krethean.

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