First-person shooters are a dime a dozen, but recently this genre has seen an influx of score-oriented types of gameplay. From Bulletstorm to Bodycount, it is no longer enough to just give the player some guns, a few levels, ...

Considering the game's unforgiving difficulty and meaningful character losses, it's all too easy to imagine a mobile version of XCOM: Enemy Unknown that runs wild with microtransactions in a hugely successful way. Thankf...