A little help pls?

[Kennex]

Hi,

i need help with some things
1: well, as every1 kno, there is an achievement called "Kick 'em When They Are Down" that u have to do all the 11 unique executions, and i've just got 5, pls tell me how to do the rest of em...

2: i've complete Insane Campaign and well, after i've killed that "Worm" (or something like that) that came out from brumak, i've unlocked the "Suicide Missionary" achievement, and then i saw at all my GoW2 unlocked achievements and Suicide Missionaire wasnt complete :/...

[Aristocrat]

1.
http://www.youtube.com/watch?v=Ik7N2JRxq98

2.
When you enter the campaign mode screen and press x( I think it's x?) to load a previous chapter look to see any chapters or acts you don't have a 4 star next to it.

[Kennex]

thanks man

[Kennex]

Btw, i got more problems
I've complete GoW1 Campaign like 10 times and some unlockbles need GoW1 Unlocked Achievements like "A Dish Served Cold" or something like that, that u must kilL RAAM, and with this GoW1 Achievement u'll unlock RAAM at GoW2 (samething with A.Carmine)
and i'd like some help to know what to do