Halloween is coming and the goose is getting fat, will you please put a penny in the old man's hat? If you haven't got a penny -- no problem! You can download the Mortal Kombat X Mobile app and play for free! If you did that over the Halloween weekend - you'll have come face-to-face mask with the inescapable terror of guest characters!!

The greatest hero of the modern age is coming back to Mortal Kombat X Mobile! You can unlock Liu Kang in the free-to-play kard kollecting game - but first you must complete the hero's journey within the time available to prove you are a true Shaolin Warrior!

You'd have to be sleeping under The Rock to have missed news of his impending arrival. In case you did, Johnny Cage steps into the spotlight in a new trailer for WWE Immortals! Watch it below:

Save us! Hollywood superstar, martial arts bad ass, and hero to the masses Johnny Cage has made his official debut in WWE Immortals!

Mortal Kombat's Johnny Cage is coming to challenge the superstars of WWE Immortals [full story]! To make it in the ring of World Wrestling Entertainment it'll take more than genetic gifts - it's all about grabbing the proverbial brass ring! What better way to do that than by taking advantage of the limited Early Access?

He survived Hell in a Well in Mortal Kombat 4, and defeated Mortal Kombat champion Prince Goro on film! Now Johnny Cage is cashing in on his stardom as the latest celebrity contender to invade the world of World Wrestling Entertainment!

For some, the Kold War ended a long time ago. For players of Mortal Kombat X Mobile - it's just getting started! Kold War Sonya Blade has joined the free-to-play kard collecting game and can be unlocked by completing the campaign before the doomsday clock hits zero!

Time for Mortal Kombat X Mobile to update their apps! NetherRealm Studios has teased a new raft of kards and challenges right around the corner - including a new gunslinger in town: Erron Black!

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!

Now that you've unlocked Mileena by completing the challenge in Mortal Kombat X Mobile - it's time to find out how to get the most of your new Gold Kard character! The boffins at NetherRealm Studios have a simple breakdown to help you do exactly that: