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