This is... Mercenary Kings
Recently, we previewed Mercenary Kings. Today, we're showcasing ten minutes of direct gameplay footage from the upcoming side-scrolling shooter.
Mercenary Kings is currently in Steam Early Access. It will release for both PC and PS4 later this year. Of note regarding the PS4 release: it was featured at E3 as one of the Sony <3's Devs games.
It's also pretty fun. Check it out for yourself!