The How the Saints Save Christmas Add-on for Saints Row IV has 10 achievements.
Complete the holiday text adventure.
Find all the letters to Santa in the holiday missions.
Find all the snowmen vignettes in the North Pole.
Deliver a present to Zinyak in 'The Santa Clawz'.
Complete all instances of Naughty and Nice.
Complete all instances of Genki Holiday.
Complete all three missions.
Lick the candy cane barricade all the way through in 'The Fight Before Christmas'.
Find the present in a holiday mission.
Ring all the bells in town in 'Miracle on 3rd Street'.