It was a very Doom like game. Because of this and the fact the boss had some challenge to it, i enjoyed the game.
Only part i really hated was how we need to shake off the bugs. Shaking the mouse around was really annoying as it takes sometimes way too long to shake them off. This makes it harder to know where we are going too. I did find the reloading of the shotgun a bit impractical, and shooting at the bugs made it hard to know if we actually did anything to them too.