Kill Strain seems to be an interesting mix. Having been developed by San Diego Studio, the game is classified by developers as a top-down, twin-stick, action-shooter... with a twist. For me, it does look like Diablo 3 but with guns instead of spells. However, you have an MOBA-like gameplay, with two lanes, environments, and levels with different abilities. So, it is a complicated but intriguing mix of genres and gameplay. Here, take a look:
You can find a decent description of the game at the official PlayStation website, or at the official game website.