The levels are far too easy, even on the hardest difficulty I was able to easily walk through the levels. Even though 3dRealms tried to give Duke Nukem good one liners, a lot of them are extremely cleche. I must have heard "Say hello to my little friend!" a million times in these sort of games, and Duke Nukem is NOT SCARFACE! It's not even close! There's some problems with the game mechanics too, it seems like you get blocked in places where you shouldn't be blocked, and sometimes enemies take up more space than they appear to.