En Mortal Kombat X, cada personaje viene con hasta tres variantes diferentes que afectan sus habilidades y cómo son utilizados. Fíjate en la siguiente table para conocer las 3 variantes de cada personaje.
| Personaje | Variante 1 | Variante 2 | Variante 3 |
|---|---|---|---|
| Cassie Cage | Spec Ops | Hollywood | Brawler |
| D’Vorah | Brood Mother | Swarm Queen | Venomous |
| Ermac | Spectral | Mystic | Master of Souls |
| Erron Black | Marksman | Gunslinger | Outlaw |
| Ferra/Torr | Ruthless | Vicious | Lackey |
| Goro | Tigrar Fury | Kuatan Warrior | Dragon Fangs |
| Jacqui Briggs | Shotgun | Full Auto | High Tech |
| Jax Briggs | Pumped Up | Heavy Weapons | Wrestler |
| Johnny Cage | A-List | Fisticuffs | Stunt Double |
| Kano | Commando | Cutthroat | Cybernetic |
| Kenshi | Possessed | Balanced | Kenjutsu |
| Kitana | Mournful | Royal Storm | Assassin |
| Kotal Kahn | Sun God | Blood God | War God |
| Kung Jim | Ancestral | Bojutsu | Shaolin |
| Kung Loa | Hat Trick | Tempest | Buzz Saw |
| Liu Kang | Flame Fist | Dragon’s Fire | Dualist |
| Mileena | Ethereal | Piercing | Ravenous |
| Quan Chi | Summoner | Sorcerer | Warlock |
| Raiden | Master of Storms | Thunder God | Displacer |
| Reptile | Noxious | Deceptive | Nimble |
| Scorpion | Inferno | Ninjutsu | Hellfire |
| Shinnok | Imposter | Bone Shaper | Necromancer |
| Sonya Blade | Covert Ops | Demolition | Special Forces |
| Sub-Zero | Grandmaster | Cryomancer | Unbreakable |
| Takeda | Shirai Ryu | Lasher | Ronin |
| Tanya | Deceiver | Edenian Guard | Manipulator |
| Tremor | Copycat | Elemental | Fugitive |
| Jason Voorhees | Stalker | Undead | Uber |
| Predator | Hunter | Trophy Collector | Extraterrestrial |