Complete Operation F
Unlocked: 22 Jan 2017 19:48:51
Complete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active
Unlocked: 22 Jan 2017 19:39:19
Silvertip
10Destroy all Mega Turrets with the Grizzly tank in Operation F, Mission 2
Unlocked: 22 Jan 2017 18:50:38
Terminated
10Complete Operation E
Unlocked: 22 Jan 2017 18:30:52
Foot Soldier
10Finish the objective without using any vehicles/turrets in Operation E, Mission 4
Unlocked: 22 Jan 2017 18:21:11
Skull Combo
10Complete any mission with the maximum number of Skulls active
Unlocked: 22 Jan 2017 10:28:25
Complete Operation E, Mission 1 with the Hollow and Black Eye Skulls active
Unlocked: 22 Jan 2017 10:28:25
Evacuated
10Complete Operation D
Unlocked: 21 Jan 2017 21:07:19
Brute Force
10Finish the objectives using only the Brute Shot, melee and grenades in Operation D, Mission 1
Unlocked: 21 Jan 2017 21:02:31
Switched Off
10Complete Operation C
Unlocked: 20 Jan 2017 23:14:05
Kill a convoy target with every stationary gun in Operation C, Mission 3
Unlocked: 10 Dec 2016 07:13:32
Extra Credit
10Complete 75 mission specific challenges
Unlocked: 09 Dec 2016 21:19:41
Complete all Operation F mission challenges
Unlocked: 09 Dec 2016 21:19:41
Switched On
10Complete Operation B
Unlocked: 09 Dec 2016 21:10:02
Prevent all Jackals from regenerating their shields in Operation B, Mission 3
Unlocked: 09 Dec 2016 21:06:42
Use every armor ability at least once (excluding Overshield and Seeker Drone)
Unlocked: 08 Dec 2016 20:19:50
Keep all Wolverines intact in Operation A, Mission 3
Unlocked: 08 Dec 2016 20:11:56
Overrun
10Complete Operation A
Unlocked: 08 Dec 2016 18:04:47
Recruit
5Earn a star of any type
Unlocked: 08 Dec 2016 18:04:47
Prodigy
5Earn your first Gold star
Unlocked: 08 Dec 2016 18:04:47
117
20Earn all Gold stars
Unlocked: 08 Dec 2016 18:04:47
Pension Plan
10Earn 25000 XP throughout your career
Unlocked: 08 Dec 2016 18:04:47
Tour of Duty
10Earn all Gold stars in Operation F
Unlocked: 08 Dec 2016 18:04:47
Earn all medals in the game at least once
Unlocked: 08 Dec 2016 18:01:02
Score a kill with every handheld weapon (excluding Rocket Launcher and Spartan Laser)
Unlocked: 08 Dec 2016 18:01:00