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