Added Shang Tsung’s Stone and the Rusty Chainsaw.

To install this version manually, you need both the (the app installer) and the OBB (the large data file containing graphics and sound). MORTAL KOMBAT X - OnePlus Community

Known for supporting all GPU types (Adreno, Mali, PowerVR) with high-definition visuals. Installation Guide (APK + OBB)

Released around October 2018, this was a massive Halloween-themed update:

Users report that menus and character collections load almost instantaneously compared to newer versions.

Many players prefer the original store layout where packs didn't have 7-day waiting periods. Key Features of the 1.21.0 Update

This specific version is widely considered the "gold standard" for MK Mobile for several reasons:

Finding a working version of is a common goal for fans who prefer the classic, offline-capable era of the game before it transitioned to the "server-side only" model. Why Players Search for Version 1.21.0