Yeah I have to agree - I really thought I was up for a return to the past, a good classic action FPS, a great piece of history that will go back to the classic FPS formula...but it looks and plays like a mod of Hexen or Quake or SIN. A very boring, half assed Hexen mod. It manages to take everything people HATED about FPS games back then (ie. long boring puzzles, long areas with no enemies, confusing jumping puzzles, the "run around the room mashing the use key to figure out what to do" gameplay) and put it in one package. So while it's certainly a return to the past, it's also a return to a style of gameplay that got killed off because it was boring as buggery.
Having finished the game and gone thru all the extras you see that very little has changed at all since the original conception in '97 apart from the engine changes over time.
Ironically the final boss battle is the most Duke3D like gameplay moment of the entire game.
