Here is the full list of all 50 Mortal Kombat 1 achievements.
Komplete A Titan Battle
Obtain A Total Score Of 5,000,000 In Gateway Towers
Komplete The Basic Tutorial
Komplete Chapter 15 Twice
Spend A Total Of 1 Hour In Practice
Komplete Mastery With 5 Kameo Characters
Komplete Mastery With 1 Kameo Character
Defeat The Final Boss Of An Invasions Season
Recharge A Talisman
Perform 10 Different Kameo Fatalities
Use 10 Different Kameo Characters
Reach Invasions Level 20
Komplete 5 Unique Test Your Might Encounters
Trade For An Item From An Outworld Shop
Use 10 Konsumables
Equip 3 Different Relics
Reach Invasions Level 10
Spend 10,000 Seasonal Kredits
Defeat A Major Boss In Invasions
Reach Invasions Level 5
Defeat A Mini Boss In Invasions
Use A Talisman 10 Times
Komplete 25 Unique Encounters
Survive An Ambush
Unlock A Secret Fight
Komplete Cage Mansion Tutorial
Forge A Talisman
Klear An Obstruction In Invasions
Komplete A Survival Encounter
Equip A Relic
Use A Talisman
Komplete 5 Unique Encounters
Trade For An Item From An Earthrealm Shop
Use A Key
Spend 10,000 Koins On The Shrine
Dethrone A King
Play 5 Kombat League Sets
Perform A Taunt Without Being Interrupted During An Online Match
Perform 20 Different Fatalities
Komplete 100% Of Story Mode
Watch The Kredits
Komplete 3 Daily Quests
Komplete 50% Of Story Mode
Unlock 10 Tower Endings
Perform 10 Different Brutalities
Komplete A Klassic Tower With 5 Different Characters
Komplete A Weekly Quest
Change Your Kombat Kard Player Module
Spill 5,000 Pints Of Blood
Deal 10,000 Damage To Opponents