The Echo Six Expansion Pack 1 Add-on for Resident Evil: Operation Raccoon City has 10 achievements worth 250 gamerscore.
13 Bomb Dogs Detonated
Kill another player with Crucible in a Foundry Versus Match
Complete an Echo Six Expansion mission without killing anything with a gun.
Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead
As Tweed, use C4 to open door in Foundry
Complete Nothing is as it Seems
Complete I Now Know Why You Cry
Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.
Kill every zombie in the Park before leaving.
Complete By the Trail of Our Dead