137
(50)
Title update:

Halo: Spartan Assault (WP) - Operation: Hydra

3.8 out of 5 from 22 votes

1,561 tracked gamers have this dlc pack, 814 have completed it (52.15%)

There are a maximum of 5 achievements worth 137 (50)

There are no reviews | Estimated completion: 2-3 hours

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Operation: Hydra Achievements

Complete Operation F
Unlocked by 1,390 tracked gamers (17% - TA Ratio = 2.41)  
Silvertip27 (10)
This is a rare achievementDestroy all Mega Turrets with the Grizzly tank in Operation F, Mission 2
Unlocked by 1,123 tracked gamers (14% - TA Ratio = 2.68)  
This is a rare achievementEarn all Gold stars in Operation F
Unlocked by 1,008 tracked gamers (12% - TA Ratio = 2.83)  
This is a rare achievementComplete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active
Unlocked by 1,012 tracked gamers (12% - TA Ratio = 2.82)  
This is a rare achievementComplete all Operation F mission challenges
Unlocked by 842 tracked gamers (10% - TA Ratio = 3.09)