X is a best selling series created by Ed Boon and John Trobias. It was one of the main reasons of creation of the ESRB in which it is kept in ‘M’ category. The series is also known for replacing the hard ‘C’ sound with the letter ‘K’. X also has always been a topic of controversy due to its depictions of graphic violence. Nevertheless, it has 7 records in the guiness book of world records.What is X??
Ans: Mortal Kombat