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