Halo 3 achievements
2,646
(1,750)

Halo 3

4.2 from 23769 votes

There are a maximum of 79 Halo 3 achievements (49 without DLC) worth 2,646 (1,750)

284,600 tracked gamers have this game, 19,069 have completed it (6.70%)

Achievement Details

Campaign Complete:  Heroic in Halo 3

Campaign Complete: Heroic176 (125)

Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).

  • Unlocked by 143,637 tracked gamers (50% - TA Ratio = 1.40) 284,866  

Achievement Guide for Campaign Complete: Heroic

AuthorSolution
Hexxas
21,797 (14,966)
Hexxas
Achievement won on 13 Nov 08
TA Score for this game: 841
Posted on 23 February 09 at 01:19
This solution has 49 positive votes and 0 negative votes. Please log in to vote.
This achievement is easier with a buddy, but possible to do solo.

I used the grunt birthday party and extra grenades skulls, because the headshot confetti explosion sets off grenades. This will make packs of grunts much easier to kill.

The Needler explosion is your friend when fighting tough enemies, especially brutes. If you stick 7 needles into an enemy, they will explode. It's an easy way to conserve ammunition. Keep in mind that the elite brutes that use grav hammers are immune to needles, as well as plasma grenades.

Overall, fight defensively. Use cover whenever you can, and don't be afraid to break off and retreat when things get heavy.
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