134
(50)
Title update:

Halo: Spartan Assault (Win 8) - Operation: Hydra

3.5 out of 5 from 29 votes

2,219 tracked gamers have this dlc pack, 1,031 have completed it (46.46%)

There are a maximum of 5 achievements worth 134 (50)

There are no reviews | Estimated completion: 1-2 hours

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Operation: Hydra Achievements

This is a rare achievementComplete Operation F
Unlocked by 2,030 tracked gamers (19% - TA Ratio = 2.31)  
Silvertip25 (10)
This is a rare achievementDestroy all Mega Turrets with the Grizzly tank in Operation F, Mission 2
Unlocked by 1,683 tracked gamers (15% - TA Ratio = 2.54)  
This is a rare achievementEarn all Gold stars in Operation F
Unlocked by 1,350 tracked gamers (12% - TA Ratio = 2.84)  
This is a rare achievementComplete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active
Unlocked by 1,465 tracked gamers (13% - TA Ratio = 2.72)  
This is a rare achievementComplete all Operation F mission challenges
Unlocked by 1,099 tracked gamers (10% - TA Ratio = 3.15)