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