Dealspwn: Mortal Kombat X is one of the most discounted new releases I've ever seen and is only £10.97/$17 on PC today. It's pretty damn great too. Even the Premium Edition is only £14.96/$23.
I can tell you now that fighter fans should be all over this one. The combat is super smooth and incredibly meaty and the story mode is surprisingly strong, giving you a taste of multiple characters. There's tonnes to do after the story too, with challenge towers with crazy match modifiers and hundreds of items to unlock in the Krypt