The Majestic Map Pack brings more than just new Halo 4 War Games maps, it also comes with some new Achievements you can get with one hand tied behind your back:
Callin’ in the Big Guns | In Majestic DLC matchmaking, call in 3 ordnance drops during the same game. | 40 points | |
I Thrust at Thee | In Majestic DLC matchmaking, perform a melee kill right after using Thrust Pack. | 20 points | |
Didn’t See It Comin’ | In Majestic DLC matchmaking, assassinate an enemy who’s in zoom mode. | 10 points | |
Bird of Prey | In Majestic DLC matchmaking, perform 5 ‘airsassinations’. | 50 points | |
Bullet Sponge | In Majestic DLC matchmaking, get the ‘Close Call’ medal twice during one match. | 30 points | |
I See You! | In Majestic DLC matchmaking, kill 5 enemies while Promethean Vision is active. | 10 points | |
Clever Girl | In Majestic DLC matchmaking, kill 5 enemies while Active Camo is active. | 10 points | |
Flash of Light | In Majestic DLC matchmaking, get a Double Kill or higher with one Pulse Grenade. | 30 points | |
Last Man Grinning | In Majestic DLC matchmaking, get 4 kills using the SAW without dying. | 20 points | |
Pigs Can Fly | In Majestic DLC matchmaking, kill 3 enemies while they are using Jet Packs. | 30 points |
Source: Halo Waypoint