The original mechanically enhanced metal arm of the law is ready to march on Mortal Kombat X Mobile! You can now unlock Jax in the free-to-play kard collecting game if you've got the mettle to complete the campaign before the requisite hours mean you miss his ETA!

Unlocking Jax means facing five tiers of super-soldier training: each consisting of 12 battles each, with the exception of the final 15 fight challenge! Tier 1 is all Bronze Kard war games, Tier 2 & 3 promote you to Bronze & Silver skirmishes. You'll need a Spec Ops kard in your Tier 4 team, before Tier 5 pushes Special Forces newcomer Johnny Cage to run the Heavy Weapons gauntlet.

Check in-app for the most accurate reading of challenge time remaining. Kompleted the challenge? Register to bask in the spoils of war and find more MKX Mobile tips on the Mortal Kombat X forum! At ease, soldier!