The Kombat Pack 2 Add-on for Mortal Kombat X has 13 achievements.
Flip Stance 10 times with a Kombat Pack 2 character during a Fatality sequence in an Online match
Perform a Stage Brutality with Alien in the Klassic Tower
Win a match after connecting all attacks from Leatherface's Berserker Stance in the Klassic Tower
Perform the Pit Stage Fatality with Leatherface in the Klassic Tower
Jump back and forth over your opponent 5 times during the Fatality sequence and perform a Fatality
Throw 5 Face Huggers during a match with Alien in the Klassic Tower
Perform Bo' Rai Cho's Drinking special 10 times during a match in the Klassic Tower
Win the match with your opponent stepping on Caltrops
Perform the Kove Stage Fatality with Triborg in the Klassic Tower
Complete the Klassic Tower with one of the Kombat Pack 2 characters
Win 5 complete matches with each Robot Type
Perform a Klassic Fatality in a Klassic skin
Don't perform a Kombo over 4 hits with Bo' Rai Cho and win a complete Online Ranked 1v1 match