Halo CE Legendary Campaign (MC Collection)

Halo: CE had the best campaign, imo.

Halo 3 is the only Halo-game I haven't completed on legendary (f**k you, Cortana!).

Best Campaign - Halo CE

Difficulty - Halo 3

I stopped playing after Halo 3, so I can't judge the difficulty of the sequels. The single-player legendary campaign in Halo 3 pretty much killed off my urge to play.

My achievment for the Halo MCC isnt showing up where I beat every mission in Halo CE on legendary. The achievement Legend (Beat every campaign in the MCC on legendary) is showing however. I just wanna know how to fix this issue.

For me, it took about an hour and a half to get to 100% But I was able to start the Halo: CE campaign pretty early, maybe around 20% overall progress. But if are in game, the menu shows the progress of each game individually. My Halo: CE and Halo 4 were
done first, then Halo 2 and Halo 3 was last for me. But I was not able to play online until the game was 100%, that also includes co-op campaign(online, i cannot speak of local).

Good luck, hopefully it picks up for you, I am having a blast with the Halo: CE campaign(Legendary is kickin my butt)

My special editions would be:

Halo 3 Legendary Ed.

Halo Reach Legendary Ed

Halo Reach LE Console

Fallout NV CE

Deus Ex Augmented Ed.

Rage Anarchy Ed.

Skyrim CE

KoA Reckoning CE

Arkham Asylum CE

Arkham City CE

ME2 LE

ME3 LE

Fable 3 CE

SW:TOR CE

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I might have more but thats all I can remember.