Only if the other player also has the mod installed. Otherwise, desync.
Can you actually play as God of War’s Kratos in the PC version of Mortal Kombat 9? We break down the fan-made mod, how it works, installation steps, and why it’s a must-try for MK9 fans. mk9 pc kratos mod work
For legitimate modding tools for other characters (like Bosses or Vita skins), the MKSecrets Forums remain the most trusted community resource. graphics patches for the PS3 version? Only if the other player also has the mod installed