MKX Unlocker MOD
If you don't feel like unlocking all of the content offered in MK X the original way, then consider this mod. It unlocks All Costumes, All Fatalities, All Brutalities, All Faction Kills for All Factions, All Krypt Items, All Faction Borders, Icons, Backgrounds, 4 Alternate Arenas {From story mode} & All Kustom Kombat Modifiers.
MKX Camera Mod
If the MK X camera instills the idea that it is lacking, consider this mod. It gives you full control over the camera using the WASD keys. Note that it is for the 64-bit version of X. A 32-bit version could be released if demand is high enough.
[NCM]MKX DLC Manager
This mod will add a new costume to the game that you can use at any time.
Unlimited number of Koins, Easy Fatalities and Skip Fight Mod
This is a mod that requires the Cheat Engine to be able to use it. It's sort of like a trainer. The title is pretty self-explanatory, so if it interests you, GameWatcher has found it.
MKX Character Skin Modding Toolset (Beta)
This is a set of batch files that help to access, compress and package texture files for editing with your favorite image editor. These batch files will extr act assets, compress textures and inject the new textures into the game.
MKX ModManager 1.0.4 [GUI Version]
If you have more than two or three mods, it may be time to consider a manager of sorts. Though not the most modded game, Mortal Kombat X has an active community, with several options for mods. Keep the straight and easily installed with this mod manager.
Mortal Kombat X Mod Loader and Trainer V6.5
This tool allows you to load different skins/textures for Mortal Kombat X. It also features a trainer that does various things including playing as all NPC's, including the final boss. All in all a neat modding tool combination.
MKX - Custom NPC Mod
In the vanilla game there are several characters that are not playable. If you'd like to be able to play as them, then download this mod. It adds Rain, Baraka, Sindel and Corrupted Shinnok to the list of playable characters. Unfortunately (perhaps), you lose control of 4 other characters in order to gain control of these.
MKX - [ MK2 Skin Pack ]
If you like the modern engine and gameplay of Mortal Kombat X, but don't like the look of characters, this mod is for you. It changes the characters back to their Mortal Kombat II look.