Full list of all 73 Mortal Kombat X achievements worth 1,500 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 60 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 13 achievements worth 500 Gamerscore.
Complete 50 Living Towers
Deal 1,000 total hits during Invasion Boss fights
Win 5 Tower Battles
Win 1 complete match in Survivor King of the Hill
Perform a 10 hit combo with every character
Give Respect points in a King of the hill match
Complete a Tower with every character
Win a single complete match with every character variation
Play every character variation
Perform 50 Brutalities
Complete 100% of Story Mode
Reach level 50 in any faction
Perform a Fatality in a match with every character
Perform every character's X-Ray
Win an Invasion 1v1 fight
Win 1 Tower Battle
Complete 1 Tower Battle
Win 1 complete online match
Beat an opponent while they still have 90% health and you have 10% or less health remaining
Play 7 complete Test Your Luck matches
Complete 50% of Story Mode
Perform 100 Fatalities in matches
See all Test Your Might deaths
Equip a Background, Icon and Border set
Equip a new Border
Complete an Invasion Tower
Play an Invasion Boss fight
Equip a new Icon
Complete a Test Your Might Tower
Equip a new Background image
Kill yourself with Kotal Kahn for 1 round and win the match
Create a sun ray with Kotal Kahn and perform a flip stance 5 times while in the ray
Complete 10 Living Towers
Duck 30 times during Fatality sequence
View Kombat Kard
Win a match by time out
Jump 30 times in 1 match
Send a Tower Challenge to a friend
Reach personal level 10 in XP
Spill 1,000 pints of blood
Complete a single Tower
Reach level 5 in any faction
Perform 1 Fatality in a match
Hit someone with the old lady Level Interaction
Perform 1 Brutality
Enter Practice mode
Confront a beast within the Krypt
Complete Tutorial
Win a single Tower Challenge
Reach level 50 in all factions
Become a member of every faction
Find a secret fight in the Living Towers
Reach personal level 65 in XP
Play 100 complete online matches
Win 5 complete Regular King of the hill matches
Win 1 complete Regular King of the hill match
Earn 1,000 Respect points
Reach a 10 complete game win streak in Ranked 1v1 matches
Play 200 complete online matches
Unlock 50 Kustom Kombat Modifiers
Don't perform a Kombo over 4 hits with Bo' Rai Cho and win a complete Online Ranked 1v1 match
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
Perform the Kove Stage Fatality with Triborg in the Klassic Tower
Win 5 complete matches with each Robot Type
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
Win a match after connecting all attacks from Leatherface's Berserker Stance in the Klassic Tower
Complete the Klassic Tower with one of the Kombat Pack 2 characters
Perform a Stage Brutality with Alien in the Klassic Tower
Throw 5 Face Huggers during a match with Alien in the Klassic Tower
Win the match with your opponent stepping on Caltrops