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Bro Hammer

Complete any co-op level on Legendary difficulty.

Bro Hammer0
2 guidesOnline/OfflineCooperativeMain StorylineDifficulty Specific
the JeffreyTMthe JeffreyTM521,629
11 Nov 2014 18 Jul 2019
72 0 11
The fastest way to get this achievement is to put in a second controller or invite a friend to your campaign lobby, go to Halo 3, and choose the first mission, Arrival. Set it to legendary and then start the game.

After the cutscene ends, it will give you this achievement as well as Standard Operating Brocedure and Brovershield
is that HydroAny word if this achievement is buggy? Did Halo 3 campaign on legendary with few friends last night and we beat majority of the game, Still no chevo....
Posted by is that Hydro on 12 Nov 14 at 14:04
Borg561Worked for me just now. I know they were having issues the last few days (I still have a few achievements that show 100% complete but haven't unlocked). If your progress bar shows as complete, give it some time. If not, I'd say try it again.
Posted by Borg561 on 13 Nov 14 at 01:50
is that HydroJust did a few missions on Halo:CE last night... Still no chevo :/
Posted by is that Hydro on 13 Nov 14 at 12:43
the JeffreyTMYes It is glitched for me too.. I go to the achievement list and it says "Done! Unlocking..."
Posted by the JeffreyTM on 13 Nov 14 at 21:30
SteelCurtainD24it has to be done with a friend there is no matchmaking
Posted by SteelCurtainD24 on 14 Nov 14 at 16:53
is that HydroEven with a friend it doesnt unlock buddy.. I did several missions on legendary, never got it unlocked but I got the one for Normal done....
Posted by is that Hydro on 14 Nov 14 at 17:26
bryan dot exeWell I just beat Halo 4: Requiem on solo Legendary and all of these co-op achievements popped at the end. I go back to the mission select screen and it correctly shows that I've completed that mission on solo Legendary and have not completed them in co-op. Weird. No idea if this can be replicated for others.
Posted by bryan dot exe on 17 Nov 14 at 18:02
is that HydroThis one is all jacked up - Finally shows that I unlocked it... Did this the first day game came out - Says I unlocked it on the 11th of Nov, but just yesterday it wasn't showing as unlocked....
Posted by is that Hydro on 17 Nov 14 at 18:07
S P 4 C E YI've done this a whole bunch of times, both in local and online coop. It clearly has issues.

I'll wait for it to magically unlock at a later date. Seriously MS??!
Posted by S P 4 C E Y on 18 Nov 14 at 09:05
EFFEKT 45I got this and the other 2 by playing only single player, and haven't at any point played with anyone else, it unlocked on Halo 4: Forerunner, kind of like DJ Drty Chapstk.
Posted by EFFEKT 45 on 19 Nov 14 at 19:35
Bergan SWEExactly the same happened to me as for effekt 45 above. Never played coop. Really, really glitchy achievements on this game. Didn't get anything for completing Requiem on Legendary for example.
Posted by Bergan SWE on 21 Nov 14 at 09:31