In the 1990s, Mortal Kombat became a global phenomenon, spawning movies, albums of confrontational techno and even a live action tour. As with anything successful, lots of games wanted to hop on the bandwagon and grab some of that blood-soaked cash for themselves. But most of them soon realised you can't just dress your mate in a karate gi, film him doing some kicks in front of a greenscreen and have a smash hit videogame on your hands. Here are the five most egregious Mortal Kombat klones. Sorry, clones.