The Retribution Add-on for Call of Duty: Infinite Warfare has 10 achievements worth 200 gamerscore.
In The Beast From Beyond, return to the theater.
In The Beast From Beyond, collect the final piece of the Soul Key.
In The Beast From Beyond, equip the Venom-X.
In The Beast From Beyond, kill zombies with every trap.
In The Beast From Beyond, unlock the hidden song.
In The Beast From Beyond, send the Turnstile back to the past.
In The Beast From Beyond, fully restore N31L.
In The Beast From Beyond, complete Skullbreaker.
In The Beast From Beyond, Pack-a-Punch the Venom-X twice.
When playing Skullbreaker, build a combo of size 10 or larger.