(adsbygoogle = window.adsbygoogle || []).push({}); 1. Go to Mission Select and select a mission on Veteran.
2. Once the level loads, save & quit.
3. Go back to Mission Select and choose the SAME mission, however change the difficulty to Recruit.
4. While the level is loading, and you are watching the cutscene, return to the Xbox Dashboard.
5. Reload the game and select Resume.
6. You should now be playing the level on Veteran with Recruit AI.

And all achievements unlock in legit order!
[ame="https://www.youtube.com/watch?v=eN36hLh0D0c"]YouTube - cod world at war achievment glitch unlock all veteran achievments[/ame]

It isn't working for me and i have tried this 3 times in a row for various different missions.

wtf man i posted this up earlier he put a vid now he gets all the credi

no i dont take credit i only take credit for making vid thank you r2k bibbster

ok dude it doesn't work i tried it 15 times in many different ways. Try uploading some proof.

Muhahaha
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Ok, after lots of trys, from me and my friends, we have came to the cinclusion that it does not work and you are just trying to get credit/rep.

Quickly change our minds.

It does work.

The A.I change into recruit A.I

But it still has veteran settings on it i.e die in 2 shots.

Pretty useless IMO

It isn't turning into recruit AI because they still shoot you so fast and have amazing accuracy.

it works because check all my acheivments